title: PERSISTENT POLIOVIRAL INFECTION OF INTACT HUMAN AMNIOTIC MEMBRANE WITHOUT APPARENT CYTOPATHIC EFFECT.
mesh_terms: D000650:Amnion; D004396:Coloring Agents; D005321:Extraembryonic Membranes; D006801:Humans; D007372:Interferons; D010587:Phagocytosis; D017955:Poliovirus; D012106:Research; D013194:Staining and Labeling; D046509:Tissue Culture Techniques; D014776:Virus Cultivation
chemical_list: D004396:Coloring Agents; D007372:Interferons
keywords: AMNION; EXPERIMENTAL LAB STUDY; FETAL MEMBRANES; INTERFERON; PHAGOCYTOSIS; POLIOVIRUS; STAINS AND STAINING; TISSUE CULTURE; VIRUS CULTIVATION