(Q45087404)
Statements
1 reference
North Staffordshire Headache Survey: development, reliability and validity of a questionnaire for use in a general population survey (English)
1 reference
H F Boardman
1 reference
E Thomas
1 reference
D S Millson
1 reference
E A MacGregor
1 reference
W F Laughey
1 reference
P R Croft
1 reference
1 June 2003
1 reference
1 reference
23
1 reference
5
1 reference
325-331
1 reference
1 reference
1 reference
1 reference
Identifiers
1 reference
1 reference