TY - GEN AU - Davies,M J TI - Passive tube and suction drainage after elective cholecystectomy--a comparison using ultrasonography SN - 0035-8835 PY - 1993///0825 KW - Biliary Tract KW - diagnostic imaging KW - Cholecystectomy KW - Drainage KW - methods KW - Evaluation Studies as Topic KW - Hemoglobins KW - analysis KW - Humans KW - Leukocyte Count KW - Postoperative Care KW - Suction KW - Ultrasonography N1 - Publication Type: Comparative Study; Letter; Comment ER -