Publication History
Received: May 12, 2020
Revised: May 19, 2020
Accepted: June 17, 2020
Published: June 24, 2020
Authors
Moeza Ali
PGR III, Internal Medicine, Pulmonology, Sheikh Zayed Hospital, Lahore -Pakistan.
Ahsan Irfan
Senior Registrar, Pulmonology Department, Sheikh Zayed Hospital, Lahore-Pakistan.