Bonifay, Allison, Kevin J. Ashworth, and Johan Rosqvist. “Panic Disorder Subtype Gastrointestinal Response: Phenomenon and Treatment Recommendations”. Graduate Student Journal of Psychology 12 (January 1, 2010): 45–50. Accessed May 21, 2024. https://journals.library.columbia.edu/index.php/gsjp/article/view/10872.