title: A comparison of serum calcium levels obtained by two methods of cardiac puncture in mice.
mesh_terms: D000818:Animals; D002118:Calcium / Q000097:blood*; D005260:Female; D006321:Heart; D007267:Injections; D008297:Male; D051379:Mice; D008815:Mice, Inbred Strains / Q000097:blood*
chemical_list: D002118:Calcium