[Leptospirosis of the rice-fields in the Po plain].
D006801:Humans; D007922:Leptospirosis / Q000453:epidemiology*; D009784:Occupational Diseases; D012275:Oryza
LEPTOSPIROSIS/epidemiology; OCCUPATIONAL DISEASES; RICE
Sulle leptospirosi delle risaie nella pianura Padana.