By Shan Wong Samuel Yeung   Chi Ho Chung Vincent   in British Journal of General Practice

ISSN:1478-5242|61|587|374-375

Royal College of General Practitioners‎(2011)‎

Access to resources Favorite 11.666025

By Zeng An   Yeung Chi Ho   Shang Ming-Sheng   Zhang Yi-Cheng   in EPL (EUROPHYSICS LETTERS)

ISSN:0295-5075|97|1|18005-18005

Edp Sciences‎(2012)‎

Access to resources Favorite 9.332821