Authors: L L Ignacio; M V De Arango; J Baltazar; E D'Arrigo Busnello; C E Climent; A Elhakim; R Giel; T W Harding; G H Ten Horn; H H Ibrahim Journal: Int J Epidemiol Date: 1989-09 Impact factor: 7.196
Authors: K B Wells; A Stewart; R D Hays; M A Burnam; W Rogers; M Daniels; S Berry; S Greenfield; J Ware Journal: JAMA Date: 1989-08-18 Impact factor: 56.272
Authors: T W Harding; M V de Arango; J Baltazar; C E Climent; H H Ibrahim; L Ladrido-Ignacio; R S Murthy; N N Wig Journal: Psychol Med Date: 1980-05 Impact factor: 7.723