COMMENTS

Comments submitted for publication must be typed double-spaced. Text length must not exceed 500 words, and no more than five references may be used. Complete refer-ences must be furnished, as specified in ''Information for Authors " (page 1-6). Specific permission to publish should be appended as a postscript. Publication depends on avail-ability of space: we give preference to comment on recent content and to new information. Letters for this section should be concise—the Editor reserves the right to shorten them and make changes that accord with our style. Hypothyroidism after 125l Therapy TO THE EDITOR: McDougall and Greig (1) recently pre-sented their results of 125I treatment of Graves ' disease. The data are sufficient to allow the incidence of hypo-thyroidism after this mode of therapy to be examined t