Altitude SicknessMountaineeringAltitudeExpeditionsMotion SicknessAtmosphere Exposure ChambersAcetazolamideDecompressionAnoxiaPolycythemiaNepalTibetCarbonic Anhydrase InhibitorsAtmospheric PressureAcute DiseaseAcclimatizationSerum SicknessSick LeavePulmonary EdemaBlood Circulation TimeDecompression SicknessHypoventilationBrain EdemaAbsenteeismPeruPulmonary Heart DiseaseHeadacheAdaptation, PhysiologicalAfrican Horse SicknessOxygenHematocritGinkgo bilobaSwitzerlandTrypanosomiasis, AfricanChronic DiseaseBlood Gas AnalysisDexamethasoneRespiratory MechanicsRespirationOxygen ConsumptionTrypanosoma brucei gambienseSeverity of Illness IndexWork Capacity EvaluationMorning SicknessDouble-Blind MethodCerebrovascular CirculationExerciseTime FactorsDisease SusceptibilityCertificationSweating SicknessPlacebosHeart RateProspective StudiesTreesTrypanosoma brucei rhodesienseOccupational Health