title: Serial passages of parainfluenza type 1 (HA-2) virus in the continuous cell lines from porcine, rabbit and green monkey kidneys using the trypsin-added systems.
mesh_terms: D000818:Animals; D002460:Cell Line; D002478:Cells, Cultured; D003470:Culture Media; D005455:Fluorescent Antibody Technique; D000882:Haplorhini; D007668:Kidney; D009975:Orthomyxoviridae / Q000254:growth & development; D011817:Rabbits; D018108:Respirovirus / Q000254:growth & development* / Q000276:immunology; D013552:Swine; D014357:Trypsin; D014776:Virus Cultivation
chemical_list: D003470:Culture Media; D014357:Trypsin