Context

Context of "Dear Doctor. I enclose you with this, a few remarks upon the serious consquences of the use of the popular "headache powders" by the general public, in order to enlist your influence in preventing as far as possible the sale of these dangerous heart depressants, without a physician's prescription, to any person who has a headache and is near a drugstore ... None of these coal tar headache remedies are suitable for autoprescription."
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