Cairns Smith1, Jan Hendrik Richardus. 1. Department of Public Health, Medical School, University of Aberdeen, Aberdeen AB25 2ZD, UK. w.c.s.smith@abdn.ac.uk
Authors: Catharina J Alberts; W Cairns S Smith; Abraham Meima; Lamei Wang; Jan Hendrik Richardus Journal: Bull World Health Organ Date: 2011-04-29 Impact factor: 9.408