title: Heart rate recovery after six-minute walk test predicts pulmonary hypertension in patients with idiopathic pulmonary fibrosis.
authors.affiliation: Interstitial Lung Disease Program and Autoimmune Lung Center, National Jewish Health, Denver, Colorado 80206, USA. swigrisj@njc.org
authors.forename: Jeffrey J
authors.initials: JJ
authors.lastname: Swigris
authors.forename: Amy L
authors.initials: AL
authors.lastname: Olson
authors.forename: Oksana A
authors.initials: OA
authors.lastname: Shlobin
authors.forename: Shahzad
authors.initials: S
authors.lastname: Ahmad
authors.forename: Kevin K
authors.initials: KK
authors.lastname: Brown
authors.forename: Steven D
authors.initials: SD
authors.lastname: Nathan