1. Simplified methodology for helminth counts and viability in organic fertilizer;Caceres,1987
2. Stage-specific secreted antigens of the parasitic larval stages of the nematode Ascaris;Kennedy;Immunology,1986
3. Evaluation of a sanitation programme using eggs of Ascaris lumbricoides in household yard soils as indicators;Muller;Journal of Tropical Medicine and Hygiene,1989
4. Wastewater Irrigation in Developing Countries. Health Effects and Technical Solutions;Shuval,1986
5. Viability determination of Ascaris eggs recovered from wastewater;Stein;Environmental Technology Letters,1988