TY - GEN AU - Zamfirescu,N R AU - Felberg,B TI - [Research on some cardiovascular reactions produced by Valsalva's maneuver in normal subjects and patients with pulmonary emphysema] SN - 0039-3959 PY - 1968///0226 KW - Cardiovascular System KW - physiopathology KW - Humans KW - Pulmonary Emphysema KW - Valsalva Maneuver N1 - Publication Type: Journal Article ER -