Authors: J Convit; C Sampson; M Zúñiga; P G Smith; J Plata; J Silva; J Molina; M E Pinardi; B R Bloom; A Salgado Journal: Lancet Date: 1992-02-22 Impact factor: 79.321
Authors: J M Pönnighaus; P E Fine; J A Sterne; R J Wilson; E Msosa; P J Gruer; P A Jenkins; S B Lucas; N G Liomba; L Bliss Journal: Lancet Date: 1992-03-14 Impact factor: 79.321