Tandon, Ashutosh, Khalid Shahzad, Quentin Nunes, Milind Shrotri, and Raimundas Lunevicius. 2017. “ROUTINE PREOPERATIVE BLOOD GROUP AND SAVE TESTING IS UNNECESSARY FOR ELECTIVE LAPAROSCOPIC CHOLECYSTECTOMY”. Journal of Ayub Medical College Abbottabad 29 (3):373-77. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/1815.