Doward L, Svedsater H, Whalley D, Crawford R, Leather D, Lay-Flurrie J, Bosanquet N. A descriptive follow-up interview study assessing patient-centred outcomes: Salford Lung Study in Asthma (SLS Asthma). NPJ Prim Care Respir Med. 2019 Aug 15;29(1):31. doi: 10.1038/s41533-019-0142-x.
Whalley D, Svedsater H, Doward L, Crawford R, Leather D, Lay-Flurrie J, Bosanquet N. Follow-up interviews from The Salford Lung Study (COPD) and analyses per treatment and exacerbations. NPJ Prim Care Respir Med. 2019 May 9;29(1):20. doi: 10.1038/s41533-019-0123-0
Doward L, Svedsater H, Whalley D, Crawford R, Leather D, Lay-Flurrie J, Bosanquet N. Salford Lung Study in chronic obstructive pulmonary disease (SLS COPD): follow-up interviews on patient-centred outcomes. NPJ Prim Care Respir Med. 2017 Dec 15;27(1):66. doi: 10.1038/s41533-017-0066-2
Hartman M, Bolton E, Fehnel SE. Accounting for age differences on the Wisconsin Card Sorting Test: decreased working memory, not inflexibility. Psychol Aging. 2001 Sep 1;16(3):385-99.
Dysktra LA, Granger AL. Interactions between the delta agonist SNC80, and the mu agonists, morphine, buprenorphine, and butorphanol in squirrel monkeys. Nida Res Monogr. 2000;180:65.
Gfroerer J, Lessler J, Parsley (Edwards) T. Studies of nonresponse and measurement error in the national household survey on drug abuse. Nida Res Monogr. 1997;167:273-95.