Cita APA

Karner, C., & Cates, C. J. (2012). Long-acting beta(2)-agonist in addition to tiotropium versus either tiotropium or long-acting beta(2)-agonist alone for chronic obstructive pulmonary disease.

Chicago Style Citation

Karner, Charlotta, i Christopher J. Cates. Long-acting Beta(2)-agonist in Addition to Tiotropium Versus Either Tiotropium or Long-acting Beta(2)-agonist Alone for Chronic Obstructive Pulmonary Disease. 2012.

Cita MLA

Karner, Charlotta, i Christopher J. Cates. Long-acting Beta(2)-agonist in Addition to Tiotropium Versus Either Tiotropium or Long-acting Beta(2)-agonist Alone for Chronic Obstructive Pulmonary Disease. 2012.