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  • Title: Age related distribution of serum immunoglobulin concentration in 1003 healthy children and adults.
    Author: Belldegrin A, Shoenfeld Y, Pick AI, Vana D.
    Journal: Biomedicine; 1980 Feb; 33(1):8-12. PubMed ID: 7370386.
    Abstract:
    IgG, IgA and IgM serum concentrations were determined in 605 healthy children and 398 adults, using a radial immunodiffusion technique. IgG levels were found to be high at birth, fall sharply at two weeks of age, reach a minimum at 3 months and then gradually rise to adult levels which are attained by the age of 9 years. IgA and IgM are low at birth, rise gradually and reach adult levels by 17-18 years. No significant differences, between male and female subjects were found in each of the age groups studied.
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