Immunologically induced changes in macaque cervical mucus functions: inhibition of sperm penetration**Cervical glycoproteins, Part VIII; for Part VII see reference 7. This is Publication No. 880 of the Robert W. Memorial Group for the Study of Diseases Causing Deformities, Harvard Medical School and Massachusetts General Hospital. This work was supported by a research grant from the National Institute of Child Health and Human Development (HD 12431), National Institutes of Health, U.S. Public Health Service.