TY - GEN AU - Siniatchkin,M AU - Gerber,W D AU - Kropp,P AU - Vein,A TI - Contingent negative variation in patients with chronic daily headache SN - 0333-1024 PY - 1999///0222 KW - Adaptation, Psychological KW - Adult KW - Contingent Negative Variation KW - physiology KW - Female KW - Habituation, Psychophysiologic KW - Headache KW - physiopathology KW - Humans KW - Male KW - Migraine Disorders KW - Periodicity N1 - Publication Type: Journal Article UR - https://doi.org/10.1046/j.1468-2982.1998.1808565.x ER -