Guidance for the prescription of human immunodeficiency virus pre-exposure prophylaxis in Singapore - Chiaw Yee Choy; Chen Seong Wong; P Arun Kumar; Benson Yeo; Sumita Banerjee; Yangfa Leow; Dariusz Piotr Olszyna; Kok Kuan Tan; Rayner Kay Jin Tan; Jonathan Ti; Roy Chan; Daniel Le; et al. (Singapore Medical Journal)