- Información sobre cáncer de la American Cancer Society(Castellano)
- Frequently Asked Questions (FAQ) About Bone Cancer
- CNIO - Centro Nacional de Investigaciones Oncológicas Carlos III
- Cedars-Sinai - Patient Education
- Cancer Research UK Home
- American Cancer Society Homepage
- Neoplasms, Connective and Soft Tissue
- Oncolink - Abramson Cancer Center of the University of Pennsylvania
- Neoplasms by Histologic Type
- Musculoskeletal Tumor Program, Alfred I. duPont Institute
- CancerWEB Clinicians Index
- CancerWEB Researchers Index
- Soft Tissue Sarcomas
- Questions and Answers About Bone Cancer
- American Cancer Society Homepage
- American Joint Committee on Cancer
- Wheeless' Textbook of Orthopaedics