"authors","title","secondary title or journal name","volume","issue no.","start page","end page","publisher","publication year" "Henderson, J.T.; Rocca, C.H.; Harper, C.C.","Health care access in the transition from adolescence to adulthood and implications for contraception and unintended pregnancy","2010 Add Health Users Conference","","","","","University of North Carolina at Chapel Hill, Carolina Population Center","2010"