Fig. 2

Distribution of Homocysteine levels among the groups; Headache Free (HF), Migraine with Aura (MA), Tension-type headache (TTH), Migraine without aura (MOA)
Distribution of Homocysteine levels among the groups; Headache Free (HF), Migraine with Aura (MA), Tension-type headache (TTH), Migraine without aura (MOA)