RT Journal Article
SR Electronic
T1 Stein and Susser reply
JF Journal of Epidemiology and Community Health
JO J Epidemiol Community Health
FD BMJ Publishing Group Ltd
SP 318
OP 318
DO 10.1136/jech.34.4.318-a
VO 34
IS 4
A1 Zena Stein
A1 Mervyn Susser
YR 1980
UL http://jech.bmj.com/content/34/4/318.2.abstract
AB