TY  - RPRT
TI  - Statistical approaches.
AU  - L D Sarff
AU  - S D Davis
AU  - R A Hyndiuk
PY  - 1978
DO  - 10.1001/archopht.1978.03910050507028
UR  - https://pubmed.ncbi.nlm.nih.gov/655932/
ID  - 655932
ER  -