Anthony Jahn, MD, internationally-acclaimed for his work as an "opera doctor" with some of the most prestigious opera companies in the world, offers a thorough and comprehensible guidebook on all aspects of health and disease that affect the voice. A vital tool for singers, voice instructors, and ch[...]

During the past four years, the field of developmental biology has begun a new metamorphosis. The Ninth Edition of Developmental Biology mirrors this shift with a wholly revised text, over 600 new literature citations, and substantial reorganization of content. The introductory section has been stre[...]