APA

Johnson E. S., Dickerson J. F., Vollmer W. M., Rowley A. M., Ritenbaugh C., Deyo R. A. & DeBar L. (20171031). The feasibility of matching on a propensity score for acupuncture in a prospective cohort study of patients with chronic pain. : BMC medical research methodology.

Chicago

Johnson Eric S, Dickerson John F, Vollmer William M, Rowley Alee M, Ritenbaugh Cheryl, Deyo Richard A and DeBar Lynn. 20171031. The feasibility of matching on a propensity score for acupuncture in a prospective cohort study of patients with chronic pain. : BMC medical research methodology.

Harvard

Johnson E. S., Dickerson J. F., Vollmer W. M., Rowley A. M., Ritenbaugh C., Deyo R. A. and DeBar L. (20171031). The feasibility of matching on a propensity score for acupuncture in a prospective cohort study of patients with chronic pain. : BMC medical research methodology.

MLA

Johnson Eric S, Dickerson John F, Vollmer William M, Rowley Alee M, Ritenbaugh Cheryl, Deyo Richard A and DeBar Lynn. The feasibility of matching on a propensity score for acupuncture in a prospective cohort study of patients with chronic pain. : BMC medical research methodology. 20171031.