TY  - RPRT
TI  - Classical conditioning. I. Its utilization in producing abnormal breathing in sheep.
AU  - W E Caldwell
PY  - 1966
DO  - 10.1080/00221309.1966.9710356
UR  - https://pubmed.ncbi.nlm.nih.gov/6015174/
ID  - 6015174
ER  -