Authors: C Harris; C B Small; R S Klein; G H Friedland; B Moll; E E Emeson; I Spigland; N H Steigbigel Journal: N Engl J Med Date: 1983-05-19 Impact factor: 91.245
Authors: Ingvild Fossgard Sandøy; Astrid Blystad; Elizabeth H Shayo; Emmanuel Makundi; Charles Michelo; Joseph Zulu; Jens Byskov Journal: BMC Public Health Date: 2012-11-26 Impact factor: 3.295