TY  - RPRT
TI  - [Classification systems for the clinical approach to pervasive developmental disorders].
AU  - E Bettaglio
AU  - U Balottin
AU  - A Gerardo
AU  - P Manfredi
AU  - C A Zambrino
AU  - G Lanzi
PY  - 1995
UR  - https://pubmed.ncbi.nlm.nih.gov/7643731/
ID  - 7643731
ER  -