TY  - RPRT
TI  - Protrusion, extrusion ... confusion!
AU  - J D Swartz
PY  - 1993
DO  - 10.1016/s0887-2171(05)80030-7
UR  - https://pubmed.ncbi.nlm.nih.gov/8297629/
ID  - 8297629
ER  -