Medline ® Abstract for Reference 1
of 'Overview of the use of estrogen-progestin contraceptives'
1
TI
Clinical practice. Combination estrogen-progestin oral contraceptives.
AU
Petitti DB
SO
N Engl J Med. 2003;349(15):1443.
AD
Research and Evaluation Department, Kaiser Permanente Southern California, Pasadena 91188, USA. diana.b.petitti@kp.org
PMID