title: Rheumatoid arthritis associated interstitial lung disease: 1 year is too much to exclude methotrexate-induced pulmonary involvement.
authors: Department Pulmonary Medicine, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India. E-mail: kuwal.dr@gmail.com.
authors: Ashok
authors: A
authors: Kuwal
authors: Department Pulmonary Medicine, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India. E-mail: kuwal.dr@gmail.com.
authors: Naveen
authors: N
authors: Dutt
authors: Department Pulmonary Medicine, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India. E-mail: kuwal.dr@gmail.com.
authors: Nishant
authors: N
authors: Chauhan