R J Williams1, M J Ryan. 1. Division of Emerging and other Communicable Diseases Surveillance and Control, World Health Organisation, CH-1211 Geneva, Switzerland.
Authors: J Vila; M Vargas; C Casals; H Urassa; H Mshinda; D Schellemberg; J Gascon Journal: Antimicrob Agents Chemother Date: 1999-12 Impact factor: 5.191