TY  - RPRT
TI  - Error variance and sensitivity associated with three different Periotron instruments.
AU  - P van der Bijl
AU  - W P Dreyer
AU  - T J Kotze
PY  - 1986
DO  - 10.1111/j.1600-0765.1986.tb01479.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2942673/
ID  - 2942673
ER  -