Dr. Maureen D. Hall, Southern Methodist University (image) Southern Methodist University Share Print E-Mail Caption Large animal veterinarian Dr. Maureen D. Hall vaccinates calves at the Drendel Dairy farm in Hampshire, Ill. Credit Photograph courtesy of the AVMA. Usage Restrictions Please use appropriate photo credit. Thank you! Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.