RT Journal Article
SR Electronic
T1 Henry Day
JF British Medical Journal
JO BMJ
FD British Medical Journal Publishing Group
SP 1029
OP 1029
DO 10.1136/bmj.1.1069.1029
VO 1
IS 1069
YR 1881
UL http://www.bmj.com/content/1/1069/1029.abstract
AB