Comparison of Laboratory Parameters and Outcomes in Perforation Peritonitis Patients before and after Peritoneal Drain Placement: A Prospective Cohort Study. - KUMAR, UTKARSH; SINGLA, DEEPAK KUMAR; AGRAWAL, NIVESH; SINGH, ANJALI; ADNAN, MD.; MAURYA, ABHISHEK KUMAR; GUPTA, MUDIT (Journal of Clinical & Diagnostic Research, 2023)