Characterization of intraperitoneal cytokines and nitrites in women with severe ovarian hyperstimulation syndrome**Supported in part by a grant from the joint research fund of the Hebrew University and Hadassah University Hospital, Jerusalem, Israel (A.R.).††Presented at the 4th World Congress of Gynecological Endocrinology organized by the International Society of Gynecological Endocrinology and the 2nd Congress of the European Society for Gynecological and Obstetric Investigation, Madonna di Campiglio, Italy, February 12 to 19, 1995.