TY  - RPRT
TI  - An item-difficulty based speech discrimination test.
AU  - R H Margolis
AU  - J P Millin
PY  - 1971
DO  - 10.1044/jshr.1404.865
UR  - https://pubmed.ncbi.nlm.nih.gov/5163916/
ID  - 5163916
ER  -