Contraceptive Self-efficacy of Unmarried Women with Unplanned Pregnancy and Its Influence Factors：A 216-case Study

WEI Juan, LIU Jie-ying, Cui De-zhen, WU Yan-ping

Journal of Nursing . 2019, (22): 33 -37 . DOI: 10.16460/j.issn1008-9969.2019.22.033