title: Do calcium entry blockers act on circulating ionized calcium?
authors.forename: K A
authors.initials: KA
authors.lastname: Merzon
authors.forename: V V
authors.initials: VV
authors.lastname: Kolomiets
mesh_terms: D002118:Calcium / Q000097:blood*; D006801:Humans; D009543:Nifedipine / Q000494:pharmacology*; D014700:Verapamil / Q000494:pharmacology*
chemical_list: D014700:Verapamil; D009543:Nifedipine; D002118:Calcium