006520000a22001810004500003000900000005001700009110008000026245009300106020001800199264004900217490004000266300000900306041000800315650003200323651001100355700003100366700007300397PH-MaWHO20241108112324.0  aCCTA/WHO African Conference on Ancylostomiasis (1961 : Brazzaville, Congo).  aCCTA/WHO African Conference on Ancylostomiasis, Brazzaville, 22-29 August 1961 : report.  a92-4-120255-6  aGeneva : bWorld Health Organization,c1963.  a(WHO technical report series ; 255)  a30p.  aeng  aAncylostomiasisxCongresses  aAfrica  aWorld Health Organization.  aCommission for Technical Co-operation in Africa South of the Sahara.