1. A rapid technique for the determination of microfilaraemia in filariasis carriers;Crans;WHO/FIL/72.98,1972
2. Comparison of a counting chamber and thick smear methods of counting microfilariae;Denham;Transactions of the Royal Society of Tropical Medicine and Hygiene,1971
3. Comparative efficacy of the stained blood film, counting chamber and membrane filtration techniques in the determination of microfilarial rates and microfilarial densities;Southgate;WHO/FIL/71.91,1971
4. Studies on filariasis in the Pacific. I. A field trial of a counting chamber technique for the determination of microfilarial rates and densities;Southgate;Southeast Asia Journal of Tropical Medicine and Public Health,1973