- Full text PDF available (2)
An examination of freshwater elasmobranchs has led us to the conclusion that, except for' a low-level uremia, they are physiologically similar to freshwater teleosts in regard to the regulation of the composition of the body fluids (Smith, 1931). Before considering the relation of the marine elasmobranch to the fresh water forms, it will be advantageous to… (More)
The number of patients seeking correction of abnormally protruding ears has decreased in the past ten years because of changing hairstyles and concepts of body image. During the same time there has been an increase in the number of surgeon and surgical disciplines seeking to perform cosmetic otoplasty. To compensate for this deficit in total volume… (More)
A new directional handle for the Zeiss operating microscope is presented. This handle offers the advantage of single-handed (right or left) control by natural movement of the wrist. The handle may be used by grasping it through the see-through sterile drape or sterilized separately and placed outside the sterile microscope drape.