AU  - Irvin C, Jr.
TI  - VAlsalva maneuver as a diagnostic aid
PT  - JOUR
DP  - 1959
TA  - Journal of the American Medical Association
pages = {787-791},
VI  - 170
IP  - 7
AID  - 10.1001/jama.1959.03010070027007 [doi]
4100  - http://dx.doi.org/10.1001/jama.1959.03010070027007
SO  - Journal of the American Medical Association June 13, 1959 170(7):787