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“After the first stimulation with histamine in the presence of Zn2+ , the Ca2+binding at high affinity sites was not significantly recovered in the presence of Zn2+.”
Fundamental & clinical pharmacology • 2000 | View Paper
“The transition metal ions Co2+, Mn2+, and Ni2+, but not the nontransition ions (Cd2+, Sn2+ and Zn2+ , markedly inhibited ACh and histamine relaxations in the aorta, whereas all metal ions antagonized KCI contractions.”