296,954 TROPICAL Tropical disease research TDR : Seventh Program me Report 1 January 1983-31 December 1984 / [this report was prep, by the Secretariat of th [UNDP [United Nations Development Pro-­ gramme] / World Bank/ WHO [World Health Organization] special Porgramme for Research and Trining in Tropical Disea-­ ses [under the direction of John Maurice and Anna Marina Pearce ] . . — [Geneva : WHO, 1985]. — 29 s. wiele liczb.: il., wykr.; 27 cm