title: The importance of measuring intracellular free Ca2+.
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism* / Q000494:pharmacology; D002135:Calcium-Binding Proteins / Q000378:metabolism*; D002633:Chemotaxis / Q000187:drug effects; D006728:Hormones / Q000494:pharmacology*; D008081:Liposomes; D009928:Organ Specificity
chemical_list: D002135:Calcium-Binding Proteins; D006728:Hormones; D008081:Liposomes; D002118:Calcium