An evaluation of internal-mammary-artery ligation by a double-blind technic.
D000368:Aged; D000787:Angina Pectoris / Q000601:surgery*; D001158:Arteries; D001940:Breast / Q000601:surgery*; D004311:Double-Blind Method; D006801:Humans; D008026:Ligation; D008408:Mastectomy
ANGINA PECTORIS/surgery; BREAST/surgery