Cardiovascular

• American Heart Association
• Society of Thoracic Surgery (STS)
• Heart List Serve

Dental

• American Academy of Periodontology (AAP)
• International Association for Dental Research (IADR)
• Web Resources for Dentists
• American Association of Oral and Maxillofacial Surgeons

Neurosurgery

• Aberdeen Neurosurgical - U.K.

Orthopedics

• Academy of Orthopedic Surgeons On-Line (AAOS On-Line)
• Wheeles' Textbook of Orthopaedic Surgery
• Belgian Orthoweb
• Orthopaedic Research Society (ORS)
• WorldOrtho
• Spine Surgery
• Orthogate
• Orthopedics Today
• Journal of Bone and Joint Disease - U.K.