TY  - RPRT
TI  - [Contingent negative deviation in children with headaches].
AU  - Z V Cherniak
AU  - L R Zenkov
AU  - N N Iakhno
PY  - 2003
UR  - https://pubmed.ncbi.nlm.nih.gov/12872621/
ID  - 12872621
ER  -