Fig. 1From: Structured education can improve primary-care management of headache: the first empirical evidence, from a controlled interventional studyUsage of the most frequent diagnoses before and after intervention. G44: other headache syndromes; M79.1: (pericranial) myalgia; R51: headache; G43: migraine; G43.9: unspecified migraine; G43.x: specified migraine subtype; G44.2: tension-type headache. The figure depicts a clear trend, post-intervention, away from use of non-specific diagnoses towards more specific diagnosesBack to article page