RT Journal Article
SR Electronic
T1 Clinical Examination
JF The Journal of the Royal College of General Practitioners
JO J R Coll Gen Pract
FD British Journal of General Practice
SP 931
OP 932
VO 26
IS 173
A1 Peter Tomson
YR 1976
UL http://bjgp.org/content/26/173/931.3.abstract
AB