APA

Helfand R. F., Khan A. S., Pallansch M. A., Alexander J. P., Meyers H. B., DeSantis R. A., Schonberger L. B. & Anderson L. J. (19940602). Echovirus 30 infection and aseptic meningitis in parents of children attending a child care center. : The Journal of infectious diseases.

Chicago

Helfand R F, Khan A S, Pallansch M A, Alexander J P, Meyers H B, DeSantis R A, Schonberger L B and Anderson L J. 19940602. Echovirus 30 infection and aseptic meningitis in parents of children attending a child care center. : The Journal of infectious diseases.

Harvard

Helfand R. F., Khan A. S., Pallansch M. A., Alexander J. P., Meyers H. B., DeSantis R. A., Schonberger L. B. and Anderson L. J. (19940602). Echovirus 30 infection and aseptic meningitis in parents of children attending a child care center. : The Journal of infectious diseases.

MLA

Helfand R F, Khan A S, Pallansch M A, Alexander J P, Meyers H B, DeSantis R A, Schonberger L B and Anderson L J. Echovirus 30 infection and aseptic meningitis in parents of children attending a child care center. : The Journal of infectious diseases. 19940602.