“4,220 g.) in … patients taking the fenfluramine is greater than that obtained in trials of comparable duration in similar patients having … et al., 1960), diethylpropion (Seaton et al., 1961), chlorphentermine (Seaton et al., 1964a), and dexamphetamine and phentermine (Seaton et al., 1964b), … loss varied from 2.6 lb. (”