RT Journal Article
SR Electronic
T1 Standing and walking for < 5 hours per work day increased the risk for preterm delivery
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 28
OP 28
DO 10.1136/ebm.1995.1.28
VO 1
IS 1
YR 1995
UL http://ebm.bmj.com/content/1/1/28.abstract
AB