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Dyfyniad Arddull ChicagoReport of the WHO Informal Consultation on Monitoring of Drug Efficacy in the Control of Schistosomiasis and Intestinal Nematodes, Geneva, 8-19 July 1998. Geneva: World Health Organization, 1999.
Dyfyniad MLAReport of the WHO Informal Consultation on Monitoring of Drug Efficacy in the Control of Schistosomiasis and Intestinal Nematodes, Geneva, 8-19 July 1998. World Health Organization, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.