Authors: R A Gunn; A M Kimball; R A Pollard; J C Feeley; R A Feldman; S R Dutta; P P Matthew; R A Mahmood; M M Levine Journal: Lancet Date: 1979-10-06 Impact factor: 79.321
Authors: J F Tamayo; W H Mosley; M G Alvero; P R Joseph; C Z Gomez; T Montague; J J Dizon; D A Henderson Journal: Bull World Health Organ Date: 1965 Impact factor: 9.408