1. Subclinical avian hepatitis E virus infection in layer flocks in the United States. Issue 3 (December 2015) Authors: Gerber, Priscilla F.; Trampel, Darrell W.; Willinghan, Eric M.; Billam, Padma; Meng, Xiang-Jin; Opriessnig, Tanja Journal: Veterinary journal Issue: Volume 206:Issue 3(2015) Page Start: 304 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗