RT Journal Article
SR Electronic
T1 DAVIDSON'S PRINCIPLES AND PRACTICE OF MEDICINE 12TH EDITION
JF The Journal of the Royal College of General Practitioners
JO J R Coll Gen Pract
FD British Journal of General Practice
SP 252
OP 252
VO 29
IS 201
A1 D. J. Pereira Gray
YR 1979
UL http://bjgp.org/content/29/201/252.3.abstract
AB