001 ANDERSON, R. M. & MEDLEY, G. F. (1985). Community control of helminth infections of man by mass and selective chemotherapy. Parasitology 90, 629–660.
002 ANISMAN, H., ZALCMAN, S. & ZACHARKO, R. M. (1993). The impact of stressors on immune and central neurotransmitter activity: bidirectional communication. Reviews in the Neurosciences 4, 147–180.
003 ANTONOVICS, J. & THRALL, P. H. (1994). The cost of resistance and the maintenance of genetic polymorphism in the host-pathogen systems. Proceedings of the Royal Society of London, Series B 257, 105–110.
004 BARNARD, C. J., BEHNKE, J. M., GAGE, A. R., BROWN, H. & SMITHURST, P. R. (1997). Immunity costs and behavioural modulation in male laboratory mice (Mus musculus) exposed to the odours of females. Physiology and Behavior 62, 857–866.
005 BEHNKE, J. M., BARNARD, C. J. & WAKELIN, D. (1992). Understanding chronic nematode infections: evolutionary considerations, current hypotheses and the way forward. International Journal for Parasitology 22, 861–907.
006 BOES, J., COATES, S., MEDLEY, G. F., VARADY, M., ERIKSEN, L., ROEPSTORFF, A. & NANSEN, P. (1999). The role of material immunity in experimental Ascaris suum infections in young piglets. Parasitology 119, 509–520.
007 BOES, J., MEDLEY, G. F., ERIKSEN, L., ROEPSTORFF, A. & NANSEN, P. (1998). Distribution of Ascaris suum in experimentally and naturally infected pigs and comparison with Ascaris lumbricoides infections in humans. Parasitology 117, 589–596.
008 BOOTS, M. & BEGON, M. (1993). Trade-offs with resistance to a granulosis virus in the Indian meal moth, examined by a laboratory evolution experiment. Functional Ecology 7, 528–534.
009 BOWERS, R. G., BOOTS, M. & BEGON, M. (1994). Life-history trade-offs and the evolution of pathogen resistance: competition between host strains. Proceedings of the Royal Society of London, Series B 257, 247–253.
010 BUNDY, D. A. P. & MEDLEY, G. F. (1992). Immuno-epidemiology of human geohelminthiasis: ecological and immunological determinants of worm burden. Parasitology 104, S105–S119.
011 BUNDY, D. A. P., SHER, A. & MICHAEL, E. (2000). Good worms or bad worms: do worm infections affect the epidemiological patterns of other diseases? Parasitology Today 16, 273–274.
012 CARLIER, Y. & TRUYENS, C. (1995). Influence of maternal infection on offspring resistance towards parasites. Parasitology Today 11, 94–99.
013 CHAN, L., BUNDY, D. A. P. & KAN, S. P. (1994a). Aggregation and predisposition to Ascaris lumbricoides and Trichuris trichiura at the familial level. Transactions of the Royal Society of Tropical Medicine and Hygiene 88, 46–48.
014 CHAN, L., BUNDY, D. A. P. & KAN, S. P. (1994b). Genetic relatedness as a determinant of predisposition to Ascaris lumbricoides and Trichuris trichiura infection. Parasitology 108, 77–80.
015 COOP, R. L. & KYRIAZAKIS, I. (1999). Nutrition-parasite interaction. Veterinary Parasitology 84, 187–204.
016 FELLOWES, M. D. E., KRAAIJEVELD, A. R. & GODFRAY, H. C. J. (1998). Trade-off associated with selection for increased ability to resist parasitoid attack in Drosophila melanogaster. Proceedings of the Royal Society of London, Series B 265, 1553–1558.
017 GARSIDE, P., KENNEDY, M. W., WAKELIN, D. & LAWRENCE, C. E. (2000). Immunopathology of intestinal helminth infection. Parasite Immunology 22, 605–612.
018 GRAHAM, A. L. (2001). Use of an optimality model to solve the immunological puzzle of concomitant infection. Parasitology 122, S61–S64.
019 GUSTAFSSON, L., NORDLING, D., ANDERSSON, M. S., SHELDON, B. C. & QVARNSTROM, A. (1994). Infectious diseases, reproductive effort and the cost of reproduction in birds. Philosophical Transactions of the Royal Society of London, Series B 346, 323–331.
020 GUYATT, H. L., BUNDY, D. A. P., MEDLEY, G. F. & GRENFELL, B. T. (1990). The relationship between the frequency distribution of Ascaris lumbricoides and the prevalence and intensity of infection in human communities. Parasitology 101, 139–143.
021 GUYATT, H. L., SMITH, T., GRYSEELS, B., LENGELER, C., MSHINDA, H., SIZIYA, S., SALANAVE, B., MOHOME, N., MAKWALA, J., NGIMBI, K. P. & TANNER, M. (1994). Aggregation in schistosomiasis: comparison of the relationships between prevalence and intensity in different endemic areas. Parasitology 109, 45–55.
022 HUDSON, P. J. & DOBSON, A. P. (1995). Macroparasites: observed patterns in naturally fluctuating animal populations. In Ecology of Infectious Diseases in Natural Populations (ed. Grenfell, B. T. & Dobson, A. P.). Cambridge, Cambridge University Press.
023 HURD, H. (2001). Host fecundity reduction: a strategy for damage limitation? Trends in Parasitology 17, 363–368.
024 JANKOVIC, D., LIU, Z. & GAUSE, W. C. (2001). Th1- and Th2-cell commitment during infectious disease: asymmetry in divergent pathways. Trends in Immunology 22, 450–457.
025 KAITALA, V., HEINO, M. & GETZ, W. M. (1997). Host-parasite dynamics and the evolution of host immunity and parasite fecundity strategies. Bulletin of Mathematical Biology 59, 427–450.
026 keymer, a. e. & pagel, m. (1990). Predisposition to hookworm infection. In Hookworm Infection: Current Status and New Directions (ed. Schad, G. A. & Warren, K. S.). London, Taylor and Francis.
027 KEYMER, A. E. & PAGEL, M. (1990). Predisposition to hookworm infection. In Hookworm Infection: Current Status and New Directions (ed. Schad, G. A. & Warren, K. S.). London, Taylor and Francis.
028 LOCHMILLER, R. L. & DEERENBERG, C. (2000). Trade-offs in evolutionary immunology: just what are the costs of immunity? Oikos 88, 87–98.
029 LWAMBO, N. J. S., BUNDY, D. A. P. & MEDLEY, G. F. H. (1992). A new approach to morbidity risk assessment in hookworm endemic communities. Epidemiology and Infection 108, 469–481.
030 MATARESE, G., LA CAVA, A., SANNA, V., LORD, G. M., LECHLER, R. I., FONTANA, S. & ZAPPACOSTA, S. (2002). Balancing susceptibility to infection and autoimmunity: a role for leptin? Trends in Immunology 23, 182–187.
031 MEDLEY, G. F. & BUNDY, D. A. P. (1996). Dynamic modelling of epidemiological patterns of schistosomiasis morbidity. American Journal of Tropical Medicine and Hygiene 55, 149–158.
032 MEDLEY, G. F., SINDEN, R. E., FLECK, S., BILLINGSLEY, P. F., TIRAWANCHAI, N. & RODRIGUEZ, M. H. (1993). Heterogeneity in patterns of malarial oocyst infections in the mosquito vector. Parasitology 106, 441–449.
033 METCALFE, N. B. & MONAHAN, P. (2001). Compensation of a bad start: grow now, pay later? Trends in Ecology and Evolution 16, 254–260.
034 MICHAEL, E. & BUNDY, D. A. P. (1992a). Nutrition, immunity and helminth infection: effects of dietary protein in the dynamics of the primary antibody response to Trichuris muris (Nematoda) in CBA/Ca mice. Parasite Immunology 14, 169–183.
035 MICHAEL, E. & BUNDY, D. A. P. (1992b). Protein content of CBA/Ca mouse diet: relationship with host antibody responses and the population dynamics of Trichuris muris (Nematoda) in repeated infection. Parasitology 105, 139–150.
036 MORET, Y. & SCHMID-HEMPEL, P. (2000). Survival for immunity: the price of immune system activation for bumblebee workers. Science 290, 1166–1168.
037 NELSON, R. J. & DEMAS, G. E. (1996). Seasonal changes in immune function. The Quarterly Review of Biology 71, 511–548.
038 PACALA, S. W. & DOBSON, A. P. (1988). The relation between the number of parasites/host and host age: population dynamic causes and maximum likelihood estimation. Parasitology 96, 197–210.
039 PARKER, G. A. & MAYNARD SMITH, J. (1990). Optimality theory in evolutionary biology. Nature 348, 27–33.
040 PETKEVICIUS, S., BJORN, H., ROEPSTORFF, A., NANSEN, P., BACH KNUDSEN, K. E., BARNES, E. H. & JENSEN, K. (1995). The effect of two types of diet on populations of Ascaris suum and Oesophagostomum dentatum in experimentally infected pigs. Parasitology 111, 395–402.
041 QUINNELL, R. J., MEDLEY, G. F. & KEYMER, A. E. (1990). The regulation of gastro-intestinal helminth populations. Proceedings of the Royal Society of London, Series B 330, 191–201.
042 READ, A. F. & ALLEN, E. A. (2000). The economics of immunity. Science 290, 1104–1105.
043 ROEPSTORFF, A., ERIKSEN, L., SLOTVED, H. C. & NANSEN, P. (1997). Experimental Ascaris suum infection in the pig: worm population kinetics following single inoculations with three doses of infective eggs. Parasitology 115, 443–452.
044 SHELDON, B. C. & VERHULST, S. (1996). Ecological immunology: costly parasite defences and trade-offs in evolutionary ecology. Trends in Ecology and Evolution 11, 317–321.
045 VAN BAALEN, M. (1998). Coevolution of recovery ability and virulence. Proceedings of the Royal Society of London, Series B 265, 317–325.
046 WILLIAMS-BLANGERO, S., SUBEDI, J., UPADHAYAY, R. P., MANRAL, D. B., RAI, D. R., JHA, B., ROBINSON, E. S. & BLANGERO, J. (1999). Genetic analysis of susceptibility to infection with Ascaris lumbricoides. American Journal of Tropical Medicine & Hygiene 60, 921–926.
047 WOOLHOUSE, M. E. J. (1992). A theoretical framework for the immunoepidemiology of helminth infection. Parasite Immunology 14, 563–578.
048 YAZDANBAKHSH, M., VAN DEN BIGGELAAR, A. & MAIZELS, R. M. (2001). Th2 responses without atopy: immunoregulation in chronic helminth infections and reduced allergic disease. Trends in Immunology 22, 372–377.