TY  - GEN
AU  - Oliver,Dick
AU  - Wirthlin,Bob
TI  - Obituary: Perry A. Ratcliff, DDS
SN  - 0022-3492
PY  - 2009///0428
KW  - History, 20th Century
KW  - History, 21st Century
KW  - Humans
KW  - Periodontics
KW  - history
KW  - Societies, Dental
KW  - United States
N1  - Publication Type: Biography; Historical Article; Journal Article; Portrait
UR  - https://doi.org/10.1902/jop.2008.0812001
ER  -