TY  - RPRT
TI  - Avoidance and maze learning in pigs.
AU  - D L Hammell
AU  - D D Kratzer
AU  - W J Bramble
PY  - 1975
DO  - 10.2527/jas1975.403573x
UR  - https://pubmed.ncbi.nlm.nih.gov/1116978/
ID  - 1116978
ER  -