Thygerson, Alton L., author.

Thygerson, Steven M., author.

American Academy of Orthopaedic Surgeons, issuing body.

American College of Emergency Physicians, issuing body.

Alton L. Thygerson, EdD, FAWM, medical writer, Steven M. Thygerson, PhD, MSPH, Justin S. Thygerson, PhD, CSP, medical editors, Alfonso Meija, MD, MPH, FAAOS, Bob Elling, MPA, EMT-P.

Thygerson, Alton L., author.

Elling, Bob, editor.

Thygerson, Steven M., author.

Gulli, Benjamin, editor.

Mell, Howard K., author.

American Academy of Orthopaedic Surgeons, issuing body.

Emergency Care and Safety Institute issuing body.

American College of Emergency Physicians, sponsoring body.

Alton L. Thygerson, EdD, FAWM, medical writer, Steven M. Thygerson, PhD, MSPH, medical writer ; Benjamin Gulli, MD, FAAOS, medical editor, Howard K. Mell, MD, MPH, FACEP, medical editor ; Bob Elling, MPA, EMT-P, series editor ; American College of Emergency Physicians.

Thygerson, Alton L., author.

Thygerson, Steven M., author.

American Academy of Orthopaedic Surgeons, issuing body.

American College of Emergency Physicians, issuing body.

Alton L. Thygerson, EdD, FAWM, medical writer, Steven M. Thygerson, PhD, MSPH, medical writer, Benjamin Gulli, MD, FAAOS, medical editor, Howard L. Mell, MD, MPH, FACEP, medical editor, Bob Elling, MPA, EMT-P, series editor ; American Academy of Orthopaedic Surgeons, American College of Emergency Physicians.