RT Journal Article SR Electronic T1 NOREPINEPHRINE AND CYANOTIC ATTACKS IN FALLOT'S TETRALOGY JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 197 OP 202 DO 10.1136/hrt.23.2.197 VO 23 IS 2 A1 A. M. Johnson YR 1961 UL http://heart.bmj.com/content/23/2/197.abstract AB