TY  - RPRT
TI  - How contraceptive use patterns differ by pregnancy intention: implications for counseling.
AU  - R Petersen
AU  - J A Gazmararian
AU  - K Anderson Clark
AU  - D C Green
DO  - 10.1016/s1049-3867(01)00090-1
UR  - https://pubmed.ncbi.nlm.nih.gov/11566285/
ID  - 11566285
ER  -