TY  - RPRT
TI  - Letter: Diagnostic methods.
AU  - G R Norman
AU  - H S Barrows
AU  - J W Feightner
AU  - V R Neufeld
PY  - 1975
UR  - https://pubmed.ncbi.nlm.nih.gov/1152033/
ID  - 1152033
ER  -