Shots of thyroid or pituitary hormones enable a dwarf to fit into a man-sized suit of clothes, a young boy to sing basso profundo. Spectacular as the results of hormone treatment may be, doctors are still in the dark about the exact size of the injection in many unusual cases, have dared to administer only conservative amounts of hormone over long periods of time. Last year Physiologists R. Deanesly and Alan Sterling Parkes of the National Institute for Medical Research at London grew tired of performing innumerable injections in their laboratory, decided...
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