More Groups
Fewer Groups
More People
Fewer People
Walker, P. A.; Kaner, R. J.; Hanauske-Abel, H. M.; Pizzo, B.; Stolze, E.; Grant, S.; Miller, V.; Young, C. W.; Venkatraman, E.; Stover, D. E.; more... Chest (1996)
Miller, V. A.; Rigas, J. R.; Grant, S. C.; Pisters, K. M. W.; Kris, M. G. American College of Chest Physicians (1995)