Hurd, W. J., Kaplan, K. M., ElAttrache, N. S., Jobe, F. W., Morrey, B. F., & Kaufman, K. R. (2011). A Profile of Glenohumeral Internal and External Rotation Motion in the Uninjured High School Baseball Pitcher, Part II: Strength. National Athletic Trainers' Association, Inc.

Hurd, Wendy J., Kevin M. Kaplan, Neal S. ElAttrache, Frank W. Jobe, Bernard F. Morrey, và Kenton R. Kaufman. A Profile of Glenohumeral Internal and External Rotation Motion in the Uninjured High School Baseball Pitcher, Part II: Strength. National Athletic Trainers' Association, Inc, 2011.

Hurd, Wendy J., et al. A Profile of Glenohumeral Internal and External Rotation Motion in the Uninjured High School Baseball Pitcher, Part II: Strength. National Athletic Trainers' Association, Inc, 2011.