Edited by George X. Trimble, MD, Contributing Editor.
The answers here published have been prepared by competent authorities. They do not, however, represent the opinions of any medical or other organization unless specifically so stated in the reply. Anonymous communications cannot be answered. Every letter must contain the writer's name and address, but these will be omitted on request. Submitted questions are published as space permits and at the discretion of the editor. All inquiries receive a direct mail reply.
Questions and Answers. JAMA. 1977;238(20):2200–2201. doi:10.1001/jama.1977.03280210092043
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