An introduction to the National Human Exposure Assessment Survey (NHEXAS) and related phase I field studies.
Sexton
K
K
School of Public Health, University of Minnesota, Minneapolis, 55455, USA.
Kleffman
D E
DE
Callahan
M A
MA
D017321:Clinical Trials, Phase I as Topic; D004781:Environmental Exposure; D004787:Environmental Pollution; D006077:Government Agencies; D006801:Humans; D016015:Logistic Models; D011159:Population Surveillance; D014481:United States