title: Letter: Hypercalcemia and complete heart block.
mesh_terms: D000328:Adult; D004562:Electrocardiography; D006327:Heart Block / Q000209:etiology* / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D006934:Hypercalcemia / Q000150:complications* / Q000209:etiology; D008297:Male