title: Interferon gamma release assay and tuberculin skin test positivity in sarcoidosis.
authors.affiliation: Department of Pulmonary Medicine, Christian Medical College, Vellore, Tamil Nadu, India. E-mail: djchris@cmcvellore.ac.in.
authors.forename: Sunil
authors.initials: S
authors.lastname: Vyas
authors.affiliation: Department of Pulmonary Medicine, Christian Medical College, Vellore, Tamil Nadu, India. E-mail: djchris@cmcvellore.ac.in.
authors.forename: Balamugesh
authors.initials: B
authors.lastname: Thangakunam
authors.affiliation: Department of Pulmonary Medicine, Christian Medical College, Vellore, Tamil Nadu, India. E-mail: djchris@cmcvellore.ac.in.
authors.forename: Richa
authors.initials: R
authors.lastname: Gupta
authors.affiliation: Department of Microbiology, Christian Medical College, Vellore, Tamil Nadu, India.
authors.forename: Joy Sarojini
authors.initials: JS
authors.lastname: Michael
authors.affiliation: Department of Pulmonary Medicine, Christian Medical College, Vellore, Tamil Nadu, India. E-mail: djchris@cmcvellore.ac.in.
authors.forename: Devasahayam Jesudas
authors.initials: DJ
authors.lastname: Christopher