TY  - GEN
AU  - Holstein,B E
AU  - Andersen,A
AU  - Denbaek,A M
AU  - Johansen,A
AU  - Michelsen,S I
AU  - Due,P
TI  - Short communication: Persistent socio-economic inequality in frequent headache among Danish adolescents from 1991 to 2014
SN  - 1532-2149
PY  - 2019///0110
KW  - Adolescent
KW  - Child
KW  - Denmark
KW  - epidemiology
KW  - Female
KW  - Headache
KW  - Humans
KW  - Male
KW  - Prevalence
KW  - Schools
KW  - Social Class
KW  - Socioeconomic Factors
KW  - Surveys and Questionnaires
N1  - Publication Type: Journal Article; Research Support, Non-U.S. Gov't
UR  - https://doi.org/10.1002/ejp.1179
ER  -