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BMJ Journals

relationship duration

Contraceptive method use among women and its association with age, relationship status and duration: findings from the third British National Survey of Sexual Attitudes and Lifestyles (Natsal-3)
Nicola Firman, Melissa J Palmer, Ian M Timæus, Kaye Wellings

BMJ Sexual & Reproductive Health Jul 2018, 44 (3) 165-174; DOI: 10.1136/bmjsrh-2017-200037

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