title: The place of the ballistocardiogram in a Newtonian cardiology; and the new light it sheds on certain old clinical problems.
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D000787:Angina Pectoris / Q000175:diagnosis; D001450:Ballistocardiography; D004071:Digitalis Glycosides / Q000494:pharmacology; D005260:Female; D006321:Heart / Q000187:drug effects / Q000502:physiology; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012907:Smoking
chemical_list: D004071:Digitalis Glycosides