TY - BOOK AU - Dyck,E.Van AU - Meheus,A. AU - Piot,Peter ED - World Health Organization TI - Laboratory diagnosis of sexually transmitted diseases SN - 92-4-154501-1 PY - 1999/// CY - Geneva PB - World Health Organization KW - Sexually transmitted diseases KW - Diagnosis, Laboratory N1 - Includes bibliographical references and index ER -