Gray, D. W., Dixon, J. M., Seabrook, G., & Collin, J. (1988). Is abdominal wall tenderness a useful sign in the diagnosis of non-specific abdominal pain? Royal College of Surgeons of England.
Chicago Style aipamenaGray, D. W., J. M. Dixon, G. Seabrook, and J. Collin. Is Abdominal Wall Tenderness a Useful Sign in the Diagnosis of Non-specific Abdominal Pain? Royal College of Surgeons of England, 1988.
MLA aipamenaGray, D. W., J. M. Dixon, G. Seabrook, and J. Collin. Is Abdominal Wall Tenderness a Useful Sign in the Diagnosis of Non-specific Abdominal Pain? Royal College of Surgeons of England, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.