RT Journal Article SR Electronic T1 Barriers for the prevention of chemical exposures in pregnant and breast-feeding workers? JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 193 OP 193 DO 10.1136/jech.2008.085282 VO 64 IS 3 A1 Dolores Romano A1 Neus Moreno YR 2010 UL http://jech.bmj.com/content/64/3/193.abstract AB