Subject
*Equipment Contamination; *Physical Examination; Aerobic; Aerobic/*isolation & purification; Bacteria; Cross Infection – Transmission; Cross Infection/*transmission; Equipment Contamination; Female; Hand – Microbiology; Hand/*microbiology; Humans; Male; Methicillin-Resistant Staphylococcus Aureus; Methicillin-Resistant Staphylococcus aureus/*isolation & purification; Physical Examination; Stethoscopes; Stethoscopes/*microbiology