Nannini L, Cates CJ, Lasserson TJ, Poole P: Combined corticosteroid and longacting beta-agonist in one inhaler for chronic obstructive pulmonary disease (Cochrane review).
Nannini L, Cates CJ, Lasserson TJ, Poole P.: Combined corticosteroid and longacting beta-agonist in one inhaler for chronic obstructive pulmonary disease (Cochrane review).