Abstract
Chan, KS; Lai, LKP; Chan, PF; Chao, DVK
Chan, KS (reprint author), Tseung Kwan O Jockey Club Gen Out Patient Clin, Kowloon, 99 Lam Rd North, Hong Kong, Peoples R China.
JOURNAL OF FAMILY PRACTICE, 2019; 68 (2): 109