Performance and preference of problem-based learning (PBL) and lecture-based classes among medical students of Nepal [version 3; peer review: 2 approved, 1 approved with reservatio... oleh Sangeeta Poudel, Swotantra Gautam, Bhupendra Prakash Malla, Dhiraj Prasad Jaiswal, Saroj Adhikari Yadav, Oshna Pandey, Brajesh Kumar Thakur, Sirish Raj Pandey