TY  - RPRT
TI  - [Does the communication between primary and secondary levels function?].
AU  - L Irazábal Olabarrieta
AU  - B Gutiérrez Ruiz
PY  - 1996
UR  - https://pubmed.ncbi.nlm.nih.gov/8672641/
ID  - 8672641
ER  -