TY  - RPRT
TI  - Chronic schizophrenics as behavioral engineers.
AU  - A M Ludwig
AU  - A J Marx
AU  - P A Hill
PY  - 1971
DO  - 10.1097/00005053-197101000-00005
UR  - https://pubmed.ncbi.nlm.nih.gov/5548613/
ID  - 5548613
ER  -