MacKenzie, J C <br/><br/>
Postural variation in second sound splitting.  [electronic resource] 

 -  Chest  Jan 1973 
 - 56-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0012-3692 
<br/><br/><label>Standard No.: </label>10.1378/chest.63.1.56  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Heart Auscultation<br/>Humans<br/>Male<br/>Phonocardiography<br/>Posture<br/>Respiration