TY  - BOOK
AU  - Cawson A. R.
AU  - E.W. Odell
TI  - Oral Pathology,
SN  - 0443061718
PY  - 1999///
CY  - Churcill Livingstone:
PB  - Michael Parkinson, 
UR  - https://books.google.com.pk/books?id=HS96QgAACAAJ&dq=Oral+Pathology,+colour+guide&hl=en&sa=X&ved=2ahUKEwiY-4fOz5f1AhUhiv0HHV6-BGsQ6AF6BAgCEAI
ER  -