THE RELATION OF SURFACE CONTAMINATION TO THE TRANSMISSION OF DISEASE.
D000881:Anthrax; D003880:Dermatology; D004813:Epidemiology; D005762:Gastroenterology; D012140:Respiratory Tract Diseases; D012480:Salmonella Infections; D012499:Sanitation
ANTHRAX; DERMATOLOGY; EPIDEMIOLOGY; GASTROENTEROLOGY; RESPIRATORY TRACT DISEASES; SALMONELLA INFECTIONS; SANITATION