Within subject differences between episodes of use of emergency contraception and episodes of non use of emergency contraception -implications for clinicians and services

C Free ; J Ogden ; R Lee ; (2002) Within subject differences between episodes of use of emergency contraception and episodes of non use of emergency contraception -implications for clinicians and services. [Conference or Workshop Item] https://researchonline.lshtm.ac.uk/id/eprint/14379