Haníková M, Lodinová R, Miler I
Folia Microbiol (Praha). 1978;23(1):72-4. doi: 10.1007/BF02876600.
Changes in nucleolar morphology of the lymphocytes were studied in peripheral blood smears of infants from birth up to one year of life. A marked proportional increase of lymphocytes with active nucleoli was found during the first month.