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Authors: J A Catania; T J Coates; R Stall; H Turner; J Peterson; N Hearst; M M Dolcini; E Hudes; J Gagnon; J Wiley Journal: Science Date: 1992-11-13 Impact factor: 47.728
Authors: H Grosskurth; F Mosha; J Todd; E Mwijarubi; A Klokke; K Senkoro; P Mayaud; J Changalucha; A Nicoll; G ka-Gina Journal: Lancet Date: 1995-08-26 Impact factor: 79.321