Among the progress reports heard at the A.M.A. convention:
¶George Washington University's Dr. Benjamin Manchester has piled up evidence that anti-clotting drugs help to prolong the lives of heart-attack victims by preventing subsequent attacks: in five years only 20% of patients so treated died, 14% of them from heart attacks, while in a comparison group, untreated, 53% died and 60% had further attacks. Cardiologist Manchester also reported on a new anti-clotting drug, Sintrom, valuable because it can be taken by mouth in small doses and works fast.
¶A victory in the battle against grippe-like diseases was reported by the Walter Reed Army Institute...