Ray, A. D., Carl, E. M., Hyland, A. J., Reid, M. E., Mahoney, M. C., & Sheffer, C. E. Self-reported dyspnea and interest in a respiratory muscle training program among callers to the New York State Quitline. European Publishing.
Chicago Style (17th ed.) CitationRay, Andrew D., Ellen M. Carl, Andrew J. Hyland, Mary E. Reid, Martin C. Mahoney, and Christine E. Sheffer. Self-reported Dyspnea and Interest in a Respiratory Muscle Training Program Among Callers to the New York State Quitline. European Publishing.
MLA (9th ed.) CitationRay, Andrew D., et al. Self-reported Dyspnea and Interest in a Respiratory Muscle Training Program Among Callers to the New York State Quitline. European Publishing.
Warning: These citations may not always be 100% accurate.