![Letters to the Editor]()
Letters to the EditorCastle, Wilma L. K.; Replogle, Robert L.; Kersten, Herbert H.; Skillen, Richard D.; Strandness, D. E.; Lewis, Howard P.; Segal, Harry L.; Doolittle, Kenneth H.; Hume, John C.; Stein, John M.; Steinreich, Otto S.; Werner, Arnold · Hospital Practice · 1972