TY  - RPRT
TI  - Difficult denture birds--new sightings.
AU  - A Koper
PY  - 1988
DO  - 10.1016/0022-3913(88)90354-x
UR  - https://pubmed.ncbi.nlm.nih.gov/3165462/
ID  - 3165462
ER  -