TY  - GEN
AU  - Mitchell,L
AU  - Walls,A W
TI  - Survival analysis in practice
SN  - 0305-5000
PY  - 1991///1016
KW  - Humans
KW  - Pit and Fissure Sealants
KW  - Survival Analysis
N1  - Publication Type: Journal Article
ER  -