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ras ProteinsGenes, rasProto-Oncogene Proteins p21(ras)Community Health ServicesOncogene Protein p21(ras)Community NetworksHospitals, CommunityCommunity Health PlanningCommunity Health WorkersEcosystemBiodiversityras GTPase-Activating ProteinsBiotaBacteriaCommunity MedicineCommunity Health CentersConsumer ParticipationCommunity Mental Health ServicesRNA, Ribosomal, 16SCommunity Pharmacy ServicesCommunity-Institutional RelationsSoil MicrobiologyRural PopulationCommunity-Based Participatory ResearchResidence CharacteristicsMicrobial ConsortiaPhylogenyras Guanine Nucleotide Exchange FactorsCommunity Health NursingMetagenomeProto-Oncogene Proteins c-rafHealth PromotionSoilUnited StatesSequence Analysis, DNATherapeutic CommunityMolecular Sequence DataDenaturing Gradient Gel ElectrophoresisTreesDNA, RibosomalGeologic SedimentsRural HealthProgram EvaluationPrevalenceWater MicrobiologySignal TransductionFresh WaterHealth EducationRural Health ServicesDNA, BacterialPopulation DynamicsQuestionnairesHealth Knowledge, Attitudes, PracticeBiomassHealth Care CoalitionsCross-Sectional StudiesSeawaterArchaeaFocus GroupsUrban PopulationCommunity Mental Health CentersInterviews as TopicRisk FactorsMetagenomicsCluster AnalysisProgram DevelopmentProteobacteriaCommunity PsychiatryVolunteersOceanic Ancestry GroupCooperative BehaviorSocioeconomic FactorsHealth Services AccessibilityMedically Underserved AreaMicrobiotaRiversRhizosphereArctic RegionsPharmaciesPlanktonBacterial Physiological PhenomenaHealth Services, IndigenousIndians, North AmericanEcologyFungiSeasonsData CollectionGuanosine TriphosphatePoverty AreasPublic Healthrap GTP-Binding ProteinsCell Transformation, NeoplasticGeographyInterinstitutional RelationsCommunity Dentistryras-GRF1AgricultureModels, OrganizationalPopulation DensityPhytoplankton