TY - RPRT TI - Cost-effective appendectomy. Open or laparoscopic? A prospective randomized study. AU - T J Heikkinen AU - K Haukipuro AU - A Hulkko PY - 1998 DO - 10.1007/s004649900821 UR - https://pubmed.ncbi.nlm.nih.gov/9745057/ ID - 9745057 ER -