RT Journal Article
SR Electronic
T1 Research methods and statistics
JF The Journal of the Royal College of General Practitioners
JO J R Coll Gen Pract
FD British Journal of General Practice
SP 108
OP 109
VO 20
IS 97
A1 Patterson, H. R.
YR 1970
UL http://bjgp.org/content/20/97/108.abstract
AB