[Comparative study of the incidence of HBsAg and HBsAb in a random group of patients and in the normal population].
D000914:Antibodies, Viral / Q000032:analysis; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology*; D006510:Hepatitis B Antibodies / Q000032:analysis; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D006801:Humans; D007558:Italy; D008297:Male; D008875:Middle Aged
D000914:Antibodies, Viral; D006510:Hepatitis B Antibodies; D006514:Hepatitis B Surface Antigens
Studio comparativo dell'incidenza del HBsAg e HBsAb in un gruppo di pazienti randomizzati e nella popolazione normale.