RT Journal Article
SR Electronic
T1 Letters
JF The Journal of the Royal College of General Practitioners
JO J R Coll Gen Pract
FD British Journal of General Practice
SP 212
OP 212
VO 39
IS 322
A1 J.J.C. Cormack
YR 1989
UL http://bjgp.org/content/39/322/212.3.abstract
AB