TY  - JOUR
AU  - Petrie, A
AU  - Bulman, J S
AU  - Osborn, J F
TI  - Further statistics in dentistry Part 2: Research designs 2
JA  - Br Dent J
PY  - 2002/10/26/print
VL  - 193
IS  - 8
SP  - 435
EP  - 440
PB  - Nature Publishing Group
SN  - 0007-0610
UR  - http://dx.doi.org/10.1038/sj.bdj.4801591
M3  - 10.1038/sj.bdj.4801591
N1  - 10.1038/sj.bdj.4801591
ER  -