Koh Hui Kai, Lee Haur Yueh
Department of Internal Medicine, Singapore General Hospital, Singapore.
Department of Dermatology, Singapore General Hospital, Singapore; Allergy Centre, Singapore General Hospital, Singapore.
J Am Acad Dermatol. 2020 Jun;82(6):e249. doi: 10.1016/j.jaad.2020.02.049. Epub 2020 Feb 21.