TY  - RPRT
TI  - A directive or a permissive approach?
AU  - T AYLLON
AU  - R SOMMER
PY  - 1960
DO  - 10.1176/ps.11.9.45
UR  - https://pubmed.ncbi.nlm.nih.gov/13685376/
ID  - 13685376
ER  -