Epidemiology (1) Care (1) Prevention (1) Cross-country running (1) Plumbing fixtures (1) Stone (1) Spleen (1) Risk (1) Probabilities (1) Plumbing--Equipment and supplies (1) Plausibility (Logic) (1) Nosocomial infections (1) Memory (1) Medical sciences (1) Literature (1) Hygiene (1) Contamination (Technology) (1) Communicable diseases (1) Breast (1) Measurement (1) Influence (1) Transmission (1) Ursa Minor (1) Science (1) Rates (1) Patients (1) Infections (1) Health (1) Facilities (1) Carreras campo a través (Atletismo) (1)