@article{Castro-Martin2005,
author = {Castro-Martin, T.},
title= {Contraceptive use patterns among Spanish single youth},
year = {2005},
doi = {10.1017/S0140525X00023992},
journal = {The European Journal of Contraception and Reproductive Health Care},
volume = {10},
number = {4},
pages = {218−227},
}