TY - BOOK AU - World Health Organization TI - Guide to the laboratory diagnosis of trachoma: prepared by the participants in a W. H. O. symposium SN - 92-4-154048-6 U1 - 616.988 PY - 1975/// CY - Geneva PB - World Health Oraganization KW - WHO KW - Pathology -- Internal medicine N1 - Gift; WHO, international health, pathology, global disease ER -