The incidence of hepatitis, mumps. poliomyelitis. scarlet fever pertussis and measles from 1954 to 1984 was studied from the annual records of infectious diseases. Fluctuations were evaluated by Fourier analysis...
The incidence of hepatitis, mumps. poliomyelitis. scarlet fever pertussis and measles from 1954 to 1984 was studied from the annual records of infectious diseases. Fluctuations were evaluated by Fourier analysis...