To the Editor.— I found the answer to the question concerning skin tumor specimen template1 to be inappropriate and overly critical.First, the comment that the "principles... stated [by three cited authors] are still valid for the practice of surgery regardless of specialization" might be questioned by someone who is not an abdominal surgeon but who has had surgical training.Second, the question was never answered. Dr Field, who is a specialist in dermatologic surgery, asked whether skin tumor specimens can be used as a template. There are no data in the literature as far as I know that show that tumor cells penetrate through the keratin layer of skin. I am sure that surgeons have instances in their experience and their literature wherein biopsies, needles, or blades have introduced tumor cells deep in the tissue, especially where internal tumors were removed, but I know of no instance in
Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature
Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal
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