title: [Electrocardiogram control in a study of tetanus in children].
authors.forename: H
authors.initials: H
authors.lastname: SCHAFER
mesh_terms: D002776:Cholestanes; D004562:Electrocardiography; D006801:Humans; D013742:Tetanus; D013745:Tetanus Toxoid; D013746:Tetany; D014807:Vitamin D; D014815:Vitamins
chemical_list: D002776:Cholestanes; D013745:Tetanus Toxoid; D014815:Vitamins; D014807:Vitamin D