TY  - GEN
AU  - LEA-PLAZA,H
TI  - [Cephalalgia, a reactional syndrome]
SN  - 0034-9887
PY  - 2000///0701
KW  - Headache
KW  - etiology
KW  - Humans
KW  - Syndrome
N1  - Publication Type: Journal Article
ER  -