1. The direct action of calcium, sodium, potassium, and ammonium salts on the bloodvessels Author(s): Beyer, Henry G. (Henry Gustav), 1850-1918, author Publication: [Philadelphia?] : [publisher not identified], [1886?] Subject(s): Blood Vessels -- drug effectsPharmaceutical Solutions -- pharmacologyCalcium -- pharmacologySodium -- pharmacologyPotassium -- pharmacologyAmmonium Compounds -- pharmacology