Effect of use of direct observation of procedural skills for assessment for learning in Obstetrics and Gynaecology postgraduate students at Medical University, Bhutan: a prospective study. Bhutan Health Journal [Internet]. 2019 May 15 [cited 2026 Apr. 27];5(1):9-13. Available from: https://www.bhj.com.bt/index.php/bhj/article/view/75