Design and rationale for the prospective treatment efficacy in IPF using genotype for NAC selection (PRECISIONS) clinical trial oleh Anna J. Podolanczuk, John S. Kim, Christopher B. Cooper, Joseph A. Lasky, Susan Murray, Justin M. Oldham, Ganesh Raghu, Kevin R. Flaherty, Cathie Spino, Imre Noth, Fernando J. Martinez, for the PRECISIONS Study Team