TY  - GEN
AU  - Ribera,J M
TI  - [Usefulness of echocardiography in heart failure]
SN  - 0025-7753
PY  - 1991///1018
KW  - Age Factors
KW  - Aged
KW  - Coronary Disease
KW  - diagnosis
KW  - Diagnosis, Differential
KW  - Echocardiography
KW  - Exercise Test
KW  - Heart Failure
KW  - Humans
KW  - Terminology as Topic
N1  - Publication Type: Letter
ER  -