APA

Hüppe M., Matthiessen V., Lindig M., Preuss S., Meier T., Baumeier W., Gerlach K. & Schmucker P. (20031023). [Comparison of severity of chronic pain in patients differing in pain diagnosis: an analysis by means of the Mainz Pain Staging System]. : Schmerz (Berlin, Germany).

Chicago

Hüppe M, Matthiessen V, Lindig M, Preuss S, Meier T, Baumeier W, Gerlach K and Schmucker P. 20031023. [Comparison of severity of chronic pain in patients differing in pain diagnosis: an analysis by means of the Mainz Pain Staging System]. : Schmerz (Berlin, Germany).

Harvard

Hüppe M., Matthiessen V., Lindig M., Preuss S., Meier T., Baumeier W., Gerlach K. and Schmucker P. (20031023). [Comparison of severity of chronic pain in patients differing in pain diagnosis: an analysis by means of the Mainz Pain Staging System]. : Schmerz (Berlin, Germany).

MLA

Hüppe M, Matthiessen V, Lindig M, Preuss S, Meier T, Baumeier W, Gerlach K and Schmucker P. [Comparison of severity of chronic pain in patients differing in pain diagnosis: an analysis by means of the Mainz Pain Staging System]. : Schmerz (Berlin, Germany). 20031023.