Authors: K Wellings; K Nanchahal; W Macdowall; S McManus; B Erens; C H Mercer; A M Johnson; A J Copas; C Korovessis; K A Fenton; J Field Journal: Lancet Date: 2001-12-01 Impact factor: 79.321
Authors: Ralph J DiClemente; Gina M Wingood; Kathy F Harrington; Delia L Lang; Susan L Davies; Edward W Hook; M Kim Oh; Richard A Crosby; Vicki Stover Hertzberg; Angelita B Gordon; James W Hardin; Shan Parker; Alyssa Robillard Journal: JAMA Date: 2004-07-14 Impact factor: 56.272