title: Acid test for viral fusion.
authors.forename: H
authors.initials: H
authors.lastname: Feng
mesh_terms: D000818:Animals; D002459:Cell Fusion; D004705:Endocytosis; D019267:Hemagglutinin Glycoproteins, Influenza Virus / Q000737:chemistry / Q000378:metabolism; D049673:History, 20th Century; D006863:Hydrogen-Ion Concentration; D008081:Liposomes / Q000378:metabolism; D008247:Lysosomes / Q000378:metabolism / Q000821:virology; D008561:Membrane Fusion; D011487:Protein Conformation; D012672:Semliki forest virus / Q000378:metabolism*
chemical_list: D019267:Hemagglutinin Glycoproteins, Influenza Virus; D008081:Liposomes