2004n-742 2015b-544 administrativeagencies administrativeprocedure adverseeffects airpollution astronautics cancer communityparticipation consumerbehavior decisionmaking deliveryofhealthcare environmentalexposure environmentallyinduceddiseases environmentalpollutants etc exploration governmentprograms handbooks healthplanning healthpolicy healthriskassessment healthservices history jurisprudence kf5407c397w1974 legislation manuals maximumallowableconcentration medicalcare mentalhealthpolicy mentalhealthservices methods numericaldata patientcare prevention probability psychologists psychology publichealth research researchinreducedgravityenvironments risk riskassessment riskmanagement spaceflight statistics statisticsastopic technology trainingof trends unitedstates veterans w84aa1u58h2010 wa672aa1n2r1983 wa754e8132002 wd751 weightlessness