Nov-06
AUTHORS : Prof Richard Hubbard, Clinical Sciences Building, Nottingham City Hospital, Hucknall Road, Nottingham NG5 1PB, UK – Email: richard.hubbard@nottingham.ac.uk – Profile: https://www.nottingham.ac.uk/research/groups/clinicalepidemiology/people/richard.hubbard
JOURNAL : Thorax
REFERENCE: 61(11):980-5
DOI : 10.1136/thx.2006.062836