Jul-16
Gynecology and Obstetrics Women's Health
AUTHORS : Tao Ding, Department of Statistical Science, University College London, 1-19 Torrington Place, London, UK – Email: tao.ding.11@ucl.ac.uk
JOURNAL : BMJ Open
REFERENCE: 6(7): e012461
DOI : 10.1136/bmjopen-2016-012461