TY  - RPRT
TI  - "Normal" or reference values: questions and comments.
AU  - John H. Lumsden
PY  - 1998
DO  - 10.1111/j.1939-165x.1998.tb01027.x
UR  - https://pubmed.ncbi.nlm.nih.gov/12075536/
ID  - 12075536
ER  -