Fraser, A., & Poole, P. (2019). Immunostimulants versus placebo for preventing exacerbations in adults with chronic bronchitis or chronic obstructive pulmonary disease. Cochrane Database Syst Rev.
Citação norma ChicagoFraser, Ashley, and Phillippa Poole. "Immunostimulants Versus Placebo for Preventing Exacerbations in Adults With Chronic Bronchitis or Chronic Obstructive Pulmonary Disease." Cochrane Database Syst Rev 2019.
ציטוט MLAFraser, Ashley, and Phillippa Poole. "Immunostimulants Versus Placebo for Preventing Exacerbations in Adults With Chronic Bronchitis or Chronic Obstructive Pulmonary Disease." Cochrane Database Syst Rev 2019.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.