Jun-11
AUTHORS : Dr Vidya Navaratnam, University of Nottingham, Division of Epidemiology and Public Health, Clinical Sciences Building, Nottingham City Hospital, Hucknall Road, Nottingham, NG5 1PB, UK – Email: vidya.navaratnam@nottingham.ac.uk
JOURNAL : Thorax
REFERENCE: 66(6):462-7
DOI : 10.1136/thx.2010.148031