Authors: K P West; R P Pokhrel; J Katz; S C LeClerq; S K Khatry; S R Shrestha; E K Pradhan; J M Tielsch; M R Pandey; A Sommer Journal: Lancet Date: 1991-07-13 Impact factor: 79.321
Authors: A Abiose; B R Jones; S N Cousens; I Murdoch; A Cassels-Brown; O E Babalola; N D Alexander; I Nuhu; J Evans; U F Ibrahim Journal: Lancet Date: 1993-01-16 Impact factor: 79.321