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Efficacy and safety of RPL554, a dual PDE3 and PDE4 inhibitor, in healthy volunteers and in patients with asthma or chronic obstructive pulmonary disease: findings from four clinical trials.
Franciosi LG, Diamant Z, Banner KH, Zuiker R, Morelli N, Kamerling IM, de Kam ML, Burggraaf J, Cohen AF, Cazzola M, Calzetta L, Singh D, Spina D, Walker MJ, Page CP. Franciosi LG, et al. Among authors: singh d. Lancet Respir Med. 2013 Nov;1(9):714-27. doi: 10.1016/S2213-2600(13)70187-5. Epub 2013 Oct 25. Lancet Respir Med. 2013. PMID: 24429275 Clinical Trial.
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