TY - GEN AU - Marcus,D A TI - Gender differences in chronic headache in a treatment-seeking population SN - 1523-7036 PY - 2001///0607 KW - Adult KW - Chi-Square Distribution KW - Depression KW - Female KW - Headache Disorders KW - drug therapy KW - Humans KW - Male KW - Patient Acceptance of Health Care KW - Sex Distribution KW - Sex Factors KW - Stress, Psychological KW - Surveys and Questionnaires KW - Treatment Outcome N1 - Publication Type: Journal Article ER -