Authors: J S Kendrick; S C Zahniser; N Miller; N Salas; J Stine; P M Gargiullo; R L Floyd; F W Spierto; M Sexton; R W Metzger Journal: Am J Public Health Date: 1995-02 Impact factor: 9.308
Authors: Catherine Chamberlain; Alison O'Mara-Eves; Sandy Oliver; Jenny R Caird; Susan M Perlen; Sandra J Eades; James Thomas Journal: Cochrane Database Syst Rev Date: 2013-10-23