TY  - RPRT
TI  - Conditioning experiences in spider phobics.
AU  - H Merckelbach
AU  - A Arntz
AU  - P de Jong
PY  - 1991
DO  - 10.1016/0005-7967(91)90068-e
UR  - https://pubmed.ncbi.nlm.nih.gov/1679628/
ID  - 1679628
ER  -