What makes a challenging consult: A cross-sectional study of 1053 dermatology patients in Singapore - Ellie Choi, MBBS, MRCP; Yiong Huak Chan, PhD; Yik Weng Yew, MBBS, PhD; Hazel H. Oon, MD, MRCP; Steven Thng, MBBS, MRCP; Chris Tan, MBBS, FAMS; Valencia Long, MBBS, MRCP; Phillip Phan, PhD; Nisha Suyien Chandran, MBBS, MRCP (Elsevier, 2023)