RT Journal Article SR Electronic T1 Immunology of the male Reproductive System ed. by Pierluigi E. Bigazzi JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 567 OP 567 VO 55 IS 6 A1 Anthony J. Thomas, Jr. YR 1988 UL http://www.ccjm.org/content/55/6/567.1.abstract AB