👤 Yao, Huochun Keywords 🔗 causative agent (117) 🔗 etiological agent (62) 🔗 important role (140) Articles (1) Coronavirus as an Agent of Neonatal Calf Diarrhea in a Chinese Dairy Cattle Farm 👤 Lu, Chengping 👤 Yao, Huochun 👤 Eichhorn, W. ⏰ 1991 📚 Journal of Veterinary Medicine, Series B