Cheng F W T, Li B S, Lam G K S, Hon K L, Joynt G, Li C K
Department of Paediatrics, Prince of Wales Hospital, Hong Kong.
Department of Paediatrics and Adolescent Medicine, Hong Kong Children's Hospital, Hong Kong.
Hong Kong Med J. 2020 Dec;26(6):532-534. doi: 10.12809/hkmj198348.