Sources of terms
- DeGowin EL. DeGowin RL. Bedside diagnostic examination. 3rd ed. New York: Macmillan. 1976
- Hoekelman RA, Blatman S. Brunell PA. et al, eds. Principles of pediatrics: health care of the young. New York: McGraw-Hill. 1978
- Isselbacher KJ, Adams RD, Braunwald E. et al, eds. Harrison's principles of internal medicine. 9th ed. New York: McGraw-Hill. 1980