title: Missing work.
authors: Michael R
authors: MR
authors: Gradeless
mesh_terms: D001071:Appointments and Schedules; D006801:Humans; D019552:Infection Control, Dental / Q000379:methods*; D017757:Infectious Disease Transmission, Professional-to-Patient / Q000517:prevention & control*; D012146:Rest; D018582:Sick Leave