The Federal overnment and the scientific community.
D003634:DDT; D004500:Education, Graduate; D004782:Environmental Health; D005380:Financing, Government; D006077:Government Agencies; D007857:Leadership; D009316:National Institutes of Health (U.S.); D009934:Organization and Administration; D011315:Preventive Medicine; D011639:Public Opinion; D012109:Research Support as Topic; D012586:Science; D012922:Social Change; D012940:Social Problems; D013672:Technology; D014481:United States; D014495:Universities
D003634:DDT