APA
Melchart D., Weidenhammer W., Pollok-Müller A., Brand J., Brand R. & Saller R. (20011204). [Quality of outcome in treating patients with chronic headache within a hospital specialized for migraine. A cohort study with one-year follow-up]. : Forschende Komplementarmedizin und klassische Naturheilkunde = Research in complementary and natural classical medicine.
Chicago
Melchart D, Weidenhammer W, Pollok-Müller A, Brand J, Brand R and Saller R. 20011204. [Quality of outcome in treating patients with chronic headache within a hospital specialized for migraine. A cohort study with one-year follow-up]. : Forschende Komplementarmedizin und klassische Naturheilkunde = Research in complementary and natural classical medicine.
Harvard
Melchart D., Weidenhammer W., Pollok-Müller A., Brand J., Brand R. and Saller R. (20011204). [Quality of outcome in treating patients with chronic headache within a hospital specialized for migraine. A cohort study with one-year follow-up]. : Forschende Komplementarmedizin und klassische Naturheilkunde = Research in complementary and natural classical medicine.
MLA
Melchart D, Weidenhammer W, Pollok-Müller A, Brand J, Brand R and Saller R. [Quality of outcome in treating patients with chronic headache within a hospital specialized for migraine. A cohort study with one-year follow-up]. : Forschende Komplementarmedizin und klassische Naturheilkunde = Research in complementary and natural classical medicine. 20011204.