Chronic obstructive pulmonary disease.

Lancet · 1998 · PMC7119361 · PMID 9708769

Europe PMC DOI

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a nonsignificant trendno p-value reported

34 Another showed a nonsignificant trend in favour of aminophylline. 35 The drug is now used mainly if inhalational agents cannot be given.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.