APA
Halpin D. M. G., Laing-Morton T., Spedding S., Levy M. L., Coyle P., Lewis J., Newbold P. & Marno P. (20120123). A randomised controlled trial of the effect of automated interactive calling combined with a health risk forecast on frequency and severity of exacerbations of COPD assessed clinically and using EXACT PRO. : Primary care respiratory journal : journal of the General Practice Airways Group.
Chicago
Halpin David M G, Laing-Morton Tish, Spedding Sarah, Levy Mark L, Coyle Peter, Lewis Jonathan, Newbold Paul and Marno Penny. 20120123. A randomised controlled trial of the effect of automated interactive calling combined with a health risk forecast on frequency and severity of exacerbations of COPD assessed clinically and using EXACT PRO. : Primary care respiratory journal : journal of the General Practice Airways Group.
Harvard
Halpin D. M. G., Laing-Morton T., Spedding S., Levy M. L., Coyle P., Lewis J., Newbold P. and Marno P. (20120123). A randomised controlled trial of the effect of automated interactive calling combined with a health risk forecast on frequency and severity of exacerbations of COPD assessed clinically and using EXACT PRO. : Primary care respiratory journal : journal of the General Practice Airways Group.
MLA
Halpin David M G, Laing-Morton Tish, Spedding Sarah, Levy Mark L, Coyle Peter, Lewis Jonathan, Newbold Paul and Marno Penny. A randomised controlled trial of the effect of automated interactive calling combined with a health risk forecast on frequency and severity of exacerbations of COPD assessed clinically and using EXACT PRO. : Primary care respiratory journal : journal of the General Practice Airways Group. 20120123.