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Literatur Heil G, Krieg R, Hartmann W (1985) Genetic variability of immunoglobulin levels in chickens at 4 and 8 weeks of age. Anim Blood Groups 16:108-109

Literatur Hartmann W, Hala K, Krieg R, Heil G, Longenecker BM (1985) Investigations of interrelations between B blood group genotypes and immunoglobulin levels in chickens. Anim Blood Groups 16:109-110

Literatur Hartmann W, Krieg R (1985) Variability of immunoglobulin-formation in a dysgammaglobulinaemic line of chickens. Anim Blood Groups 16:106-108