ROBERT L. NORTH, M.D.
To the editor: Dr. Morrelli's discourse on propranolol (1) is an interesting one. Two pages of references accompany a three-page contribution, the major substance of which is a set of rather offhand opinions and recommendations, for which little documentation is provided. "The physician in practice may experiment. . . ."; "The FDA should not be unduly pressured. . . ."; "the willingness of medical journals to publish uncritical studies . . . ."
Virtually identical comments could be made about any drug in the pharmacopeia. Different studies do indeed show conflicting results, and it is doubtful that any drug is
NORTH RL. Drug Effectiveness and Safety. Ann Intern Med. 1973;79:455–456. doi: 10.7326/0003-4819-79-3-455_2
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Published: Ann Intern Med. 1973;79(3):455-456.
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