Characterization of standardized breath sampling for off-line field use

by Sean W. Harshman, Rhonda L. Pitsch, Christina N. Davidson, Alexander M. Scott, Elizabeth M. Hill, Zachary K. Smith, Kraig E. Strayer, Nicole M. Schaeublin, Taylor L. Wiens, Michael C. Brothers, Grant M. Slusher, Megan L. Steele, Brian A. Geier, Maomian Fan, Leslie A. Drummond, Jennifer A. Martin