Authors: S O Foster; E W Brink; D L Hutchins; J M Pifer; B Lourie; C R Moser; E C Cummings; O E Kuteyi; R E Eke; J B Titus; E A Smith; J W Hicks; W H Foege Journal: Bull World Health Organ Date: 1972 Impact factor: 9.408
Authors: Aysegul Nalca; Virginia A Livingston; Nicole L Garza; Elizabeth E Zumbrun; Ondraya M Frick; Jennifer L Chapman; Justin M Hartings Journal: PLoS One Date: 2010-09-20 Impact factor: 3.240