Patient’s degree of adherence, challenges & preferences towards medicine taking (PACT) in Singapore oleh Vivien Teo, Benny Kaihui Li, Suat Fern Low, Jing Wen Oh, Kwok Foong Lam, Eng Sing Lee, Cheryl Wei Yan Tan, Poh Ching Tan, Hui Shan Chia, Su Yin Pang, Fu Xun Marcus Heng, Sin Hui Neo, Tat Ming Ng