The Bone Research Branch of the National Institute of Dental Research (NIDR), National Institutes of Health (NIH) is seeking a clinical scientist with a strong background in clinical and basic research of bone and related areas to head a new program focusing on the maintenance and regeneration of skeletal tissue including clinical applications. For more information, contact Faye M. Habrant, NIDR, NIH, 31 Center Dr., MSC 2290, Bldg. 31, Room 2C-23, Bethesda, Md. 20892, (301) 496-6971 . . . The Bone Research Branch of NIDR also is searching for an assistant professor with a medical degree and residency training in orthopaedics to fill a senior research fellowship position for two to three years. Interested applicants can contact Michael Ehrlich, MD, chairman of the Academy's Committee on Research, Rhode Island Hospital, 593 Eddy St., Providence, R.I. 02903, (401) 444-5895 or Pamela Gehron Robey, PhD, Bone Research Branch, NIDR, 9000 Rockville Pike, Bethesda, Md. 20892, (301) 496-4563.