Validity of self-reported age at menarche in...

BMJ Open 2018 / 01 Vol. 8; Iss. 1

Validity of self-reported age at menarche in computer-assisted interview among Chinese schoolgirls: a cross-sectional study

Mao, Yanyan, Lian, Qiguo, Zuo, Xiayun, Zhang, Yan, Luo, Shan, Zhang, Shucheng, Tu, Xiaowen, Lou, Chaohua, Zhou, Weijin
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Volume:
8
Language:
english
Journal:
BMJ Open
DOI:
10.1136/bmjopen-2017-016799
Date:
January, 2018
File:
PDF, 792 KB
english, 2018
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