Work Schedule TolerancePersonnel Staffing and SchedulingWomen, WorkingSleep Disorders, Circadian RhythmWorkHospital Bed Capacity, 100 to 299Drug ToleranceReinforcement ScheduleWorkloadChild CareOccupational HealthImmune ToleranceSleep DeprivationSleepCircadian RhythmEmploymentFatigueOccupational DiseasesAccidents, OccupationalDrug Administration ScheduleGlucose Tolerance TestTime FactorsQuestionnairesStress, PsychologicalTransplantation ToleranceColumbidaeImmunization ScheduleUnited StatesFee SchedulesReinforcement (Psychology)Conditioning, Operant