TY  - RPRT
TI  - Thirty and out.
AU  - K A Easlick
PY  - 1972
DO  - 10.1111/j.1752-7325.1972.tb03957.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4504159/
ID  - 4504159
ER  -