IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-9-36746 Original Research Paper COMPARISON OF PROTHROMBIN TIME AND ACTIVATED PARTIAL THROMBOPLASTIN TIME IN PRIMARY TUBES AND SAMPLE ALIQUOTS AFTER 4 HOURS DURATION Mohd Iqbal Ahmed Dr. Dr. Jyotsna Volturi Dr. Dr. M.D.Suleman Dr. September 2021 10 9 01 02