[Study of leukoconcentrate in healthy children].
D002648:Child; D002675:Child, Preschool; D006402:Hematologic Diseases / Q000175:diagnosis; D006801:Humans; D007223:Infant; D007244:Infectious Mononucleosis / Q000175:diagnosis; D007958:Leukocyte Count; D008722:Methods
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