RT Journal Article
SR Electronic
T1 Erratum
JF Postgraduate Medical Journal
JO Postgrad Med J
FD The Fellowship of Postgraduate Medicine
SP 169
OP 169
DO 10.1136/pgmj.69.808.169-b
VO 69
IS 808
YR 1993
UL http://pmj.bmj.com/content/69/808/169.3.abstract
AB