title: Effect of pH, bivalent cations Mg++ and Ca++, trypsin and papain on Tahyna virus.
mesh_terms: D001103:Arboviruses / Q000187:drug effects*; D002118:Calcium / Q000494:pharmacology*; D006863:Hydrogen-Ion Concentration; D008274:Magnesium / Q000494:pharmacology*; D010206:Papain / Q000494:pharmacology*; D014357:Trypsin / Q000494:pharmacology*
chemical_list: D014357:Trypsin; D010206:Papain; D008274:Magnesium; D002118:Calcium