TWO SETS OF REFERENCE CITATIONS

Please select from the two choices below:

1. THIS IS A LIST OF 27 CITATIONS WE HAVE OFTEN REFERRED TO WHEN DEALING WITH, OR WRITING ABOUT VARIOUS COMMON ELEPHANT ORAL DISEASE ISSUES

2. A COLLECTION OF 425 LITERATURE REFERENCE CITATIONS COMPILED IN 1988 FOR A DOCTORAL THESIS SORTED INTO 12 SUBCATEGORIES BY TOPIC