[Technic of direct ballistocardiography; description of a model of electromagnetic ballistocardiographic data unit].
D001450:Ballistocardiography / Q000295:instrumentation*; D055590:Electromagnetic Phenomena; D006801:Humans
BALLISTOCARDIOGRAPHY/apparatus and instruments
K tekhnike priamoi ballistokardiografii; opisanie prostoi modeli elektromagnitnogo ballistokardiograficheskogo datchika.