TY  - RPRT
TI  - On the Oregon trail.
AU  - J Kitzhaber
AU  - A M Kemmy
PY  - 1995
DO  - 10.1093/oxfordjournals.bmb.a072996
UR  - https://pubmed.ncbi.nlm.nih.gov/8556290/
ID  - 8556290
ER  -