TY  - RPRT
TI  - Studies on a cephalalgia extinction test.
AU  - G Nattero
AU  - L Gastaldi
AU  - V Gai
PY  - 1971
DO  - 10.1111/j.1365-2524.1971.hed1004150.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5101172/
ID  - 5101172
ER  -