1958-1960 College of Agriculture (Pre-Vet), The Ohio State University. 1960-1964 Doctor of Veterinary Medicine, College of Veterinary Medicine, The Ohio State University. 1966-1967 Certificate of Medical Sciences - Radiology, Division of Graduate Medicine, School of Medicine, University of Pennsylvania Postgraduate Training: 1964-1965 Intern in Medicine and Surgery, Animal Medical Center, New York. 1965-1966 Resident in Radiology, New York Hospital - Cornell Medical College and Animal Medical Center, New York. 1966-1969 Resident in Radiology, Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania. 1966-1970 U.S.P.H.S. Post Doctoral Fellow in Comparative Oncology, Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania Specialty Certification: 1969 American College of Veterinary Radiology (ACVR)

1. Smith GK, Biery DN, Gregor TP:  New concepts of coxofemoral joint stability:  development of a clinical stress-radiographic method for quantitating hip joint laxity  in the dog.  J Am Vet Med Assoc 1961, 1990, 59-70.

2. Kealy RD, Olsson SE, Monti KL, Lawler DF, Biery DN, Helms RW, Lust G, Smith GK.:  Effects of limited food consumption on the incidence of hip dysplasis in growing dogs.  J Am Vet Med Assoc 201:6, 1992, 857-863.

3. Kealy RD, Lawler DF, Monti KL, Biery DN, Helms RW, Lust G, Olsson S-E, Smith GK: Effects of dietary electrolyte balance on subluxation of femoral heads in growing dogs. Am J Vet Res 54:4, 1993.

4. Smith GK, Gregor TP, Rhodes WH, Biery DN: Coxofemoral joint laxity from distraction radiography and its contemporaneous and prospective correlation with laxity, subjective score, and evidence of degenerative joint disease from conventional -extended radiography in dogs. Am J Vet Res. 54:7, 1993, 1021-1042.

5. Leighton EA, McNeil M, Biery DN, Patterson DF:  Results from four generations of selection to reduce the incidence of canine hip dysplasia in both German Shepherd dogs and Labrador Retrievers at the Seeing Eye, Inc. Proceedings of Sixth International Elbow Working Group Meeting, 1994.

6. Smith GK, Gregor TP, Conzemius MG, Biery DN, Reid CF, Rhodes WH, Sinrod A:  Relationship of passive hip laxity to canine hip dysplasia diagnosis.(abstract). Veterinary Orthopedic Society Proceedings. 1995.

7. Smith GK, Gregor TP, Conzemius MG, Biery DN, Reid CF, Rhodes WH, and Sinrod A.:  Correlation of hip laxity by distraction radiography with palpable laxity by Ortolani testing. (Abstract) Proceedings of American College of Veterinary Surgeons, 1995.

8. Smith GK, Biery DN, Rhodes WH, Reid CF, Gregor TP, LaFond E, Waldman A, Elliot, E.: Between - and within - radiologist accuracy of subjective hip scoring of the ventrodorsal hip-extended radiograph. (abstract). Proceedings of International Symposium on Hip Dysplasia and Osteoarthritis in Dogs;  Baker Institute - Cornell University. 1996.

10. Smith G.K, Biery DN, Waldman A, Gregor TP, LaFond E.: Frequency of hip dysplasia in Golden Retrievers and Rottweilers. (abstract).  ACVR Proceedings. 1996.

13. Kealy RD, Lawler DF, Ballam MS, Lust G, Smith GK, Biery DN, Olsson S-E: Five-year longitudinal study on limited food consumption and development of osteoarthritis in coxofemoral joints of dogs. J Am Vet Med Assoc 1997; 210:222-225.

14 Smith GK, Biery DN, Gregor TP, Puerto, D, McKelvie PJ: Reducing incidence of canine hip dysplasia with PennHIP. 1998 ECVDI Meeting Abstract, Vet Rad & Ultrasound, 40:3, 1999.

15. Murphy TP, Biery DN, Smith GK: Hip dysplasia in a group of 82 Maine Coon cats. 1999 ECVDI Meeting Abstract, Vet Rad & Ultrasound, 40:5, 1999.

16. Keith DG, Wortman J A, Biery D N, Saunders HM, Washabau RJ: A comparison of gastrography and ultrasonography for gastric and duodenal disease. 1999 ACVR Meeting Abstract, Vet Rad & Ultrasound, 40:6, 1999.

17. Owens JM, Biery DN: Radiographic Interpretation for the Small Animal Clinician, 2nd Ed. Williams & Wilkins.   1999