TY  - RPRT
TI  - Bleeding patterns after immediate vs. conventional oral contraceptive initiation: a randomized, controlled trial.
AU  - Carolyn Westhoff
AU  - Chelsea Morroni
AU  - Jennifer Kerns
AU  - Patricia Aikins Murphy
PY  - 2003
DO  - 10.1016/s0015-0282(02)04680-0
UR  - https://pubmed.ncbi.nlm.nih.gov/12568841/
ID  - 12568841
ER  -