@article {Polaneczky:August 1998:1054-139X:81, author = "Polaneczky M.", author = "LiBlanc M.", author = "Polaneczky M.", author = "LiBlanc M.", title = "Long-term depot medroxyprogesterone acetate (Depo-Provera) use in inner-city adolescents - Effects of early second injection or prior oral contraception", journal = "Journal of Adolescent Health", volume = "23", year = "August 1998", abstract = "", pages = "81-88(8)", url = "http://www.ingentaconnect.com/content/els/1054139x/1998/00000023/00000002/art00014" doi = "doi:10.1016/S1054-139X(98)00014-7" }