Intended for healthcare professionals

Letters Prognostic models in chronic obstructive pulmonary disease

COPD and indoor air pollution

BMJ 2019; 367 doi: (Published 29 October 2019) Cite this as: BMJ 2019;367:l6167
  1. Manas P Roy, public health specialist
  1. New Delhi, India
  1. manas_proy{at}

In their article on prognostic models for predicting outcome in patients with chronic obstructive pulmonary disease (COPD), Bellou and colleagues mention the dearth of prognostic models from Asia.1 Another concern is absence of …

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