TY  - GEN
AU  - MacKenzie,J C
AU  - Rosenberg,M E
AU  - Kroll,G
AU  - Brandfonbrener,M
TI  - Postural variation in second sound splitting
SN  - 0012-3692
PY  - 1973///0319
KW  - Adult
KW  - Heart Auscultation
KW  - Humans
KW  - Male
KW  - Phonocardiography
KW  - Posture
KW  - Respiration
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1378/chest.63.1.56
ER  -