C1 and C2 levels in sera were determined by radial immunodiffusion (The Binding Site Group Ltd, Birmingham, UK) following the manufacturer’s protocol.

Total breast-milk IgA was measured by radial immunodiffusion, and IgA antibodies to cow's milk were measured by ELISA during the breast-feeding period.

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Creative Diagnostics has launched its new Single Radial Immunodiffusion Testing services for the biological industry. SHIRLEY, NEW YORK, U. Tuesday, 02 January 2024 12:17 GMT.