Twenty-three studies 18,22,25-29,31,33,35-37,39,40,42-48,50,52 (59%) evaluated the effects of acute exposure, nine studies 15,17,26,29,33,34,41,49,51 (23%) short-to-medium term exposure, and one study 20 (3%) examined effects of long-term exposure
For those wishing to avoid the group session, the program is also offered online and the Lung Association maintains a hot line (1-800-LUNG-USA), which is staffed by nurses, respiratory specialists and smoking-cessation counselors
However, we have extensively reviewed several literatures to compare our findings with other studies
"Mishaps mark John McCain's record as naval aviator" Archived October 21, 2008, at the Wayback Machine Los Angeles Times (October 6, 2008)
doi:10.1136/tc.2011.043489
Raw Ct values were scaled to GUSB housekeeping loading control before downstream analysis