👤 Bielefeldt Ohmann, H.

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• Chronic shedding of bovine enteric coronavirus antigen-antibody complexes by clinically normal cows

  👤 Crouch, C. F. 👤 Bielefeldt Ohmann, H. 👤 Watts, T. C. 👤 Babiuk, L. A. ⏰ 1985 📚 Journal of General Virology