APA citiranje

O'Driscoll, B. R. (2003). Management of chronic obstructive pulmonary disease: Statement about theophyllines is misleading. BMJ Group.

Citação norma Chicago

O'Driscoll, B Ronan. Management of Chronic Obstructive Pulmonary Disease: Statement About Theophyllines Is Misleading. BMJ Group, 2003.

MLA citiranje

O'Driscoll, B Ronan. Management of Chronic Obstructive Pulmonary Disease: Statement About Theophyllines Is Misleading. BMJ Group, 2003.