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Published online by Cambridge University Press: 01 August 2014
The level of immunoglobulins G, A, and M, were determined in the Danzig quintuplets using the method of single radial diffusion in the 5th, 6th, and 16th month of life. The IgG, IgM, and IgA level increased more slowly than in full-term healthy infants, but in the second year of life the level of IgG and IgM in the quintuplets corresponded already to normal values. The highest of IgG and IgM levels at the age of 16 months were found in the child with the lowest birth weight and in the children with most severe pneumonia in their first year of life.