RT Journal Article
SR Electronic
T1 CLINICAL EPIDEMIOLOGY: THE ESSENTIALS
JF The Journal of the Royal College of General Practitioners
JO J R Coll Gen Pract
FD British Journal of General Practice
SP 226
OP 226
VO 34
IS 261
A1 William H. Barker
YR 1984
UL http://bjgp.org/content/34/261/226.3.abstract
AB