RT Journal Article
SR Electronic
T1 A life table analysis technique for the evaluation of intrauterine contraceptive devices.
JF The Journal of the Royal College of General Practitioners
JO J R Coll Gen Pract
FD British Journal of General Practice
SP 403
OP 407
VO 33
IS 252
A1 M. J. Bull
YR 1983
UL http://bjgp.org/content/33/252/403.abstract
AB