RT Journal Article
SR Electronic
T1 COMPENDIUM OF HEALTH STATISTICS. 3RD EDITION
JF The Journal of the Royal College of General Practitioners
JO J R Coll Gen Pract
FD British Journal of General Practice
SP 760
OP 760
VO 30
IS 221
A1 Gray, D. J. Pereira
YR 1980
UL http://bjgp.org/content/30/221/760.1.abstract
AB