Langer, S., Chew-Graham, C. A., Drinkwater, J., Afzal, C., Keane, K., Hunter, C., . . . Salmon, P. (2014). A motivational intervention for patients with COPD in primary care: Qualitative evaluation of a new practitioner role. BMC Fam Pract.

Langer, Susanne, Carolyn A. Chew-Graham, Jessica Drinkwater, Cara Afzal, Kim Keane, Cheryl Hunter, Else Guthrie, και Peter Salmon. "A Motivational Intervention for Patients With COPD in Primary Care: Qualitative Evaluation of a New Practitioner Role." BMC Fam Pract 2014.

Langer, Susanne, et al. "A Motivational Intervention for Patients With COPD in Primary Care: Qualitative Evaluation of a New Practitioner Role." BMC Fam Pract 2014.