APA

Ertl M., Altmann M., Torka E., Helbig H., Bogdahn U., Gamulescu A. & Schlachetzki F. (20130627). The retrobulbar "spot sign" as a discriminator between vasculitic and thrombo-embolic affections of the retinal blood supply. : Ultraschall in der Medizin (Stuttgart, Germany : 1980).

Chicago

Ertl M, Altmann M, Torka E, Helbig H, Bogdahn U, Gamulescu A and Schlachetzki F. 20130627. The retrobulbar "spot sign" as a discriminator between vasculitic and thrombo-embolic affections of the retinal blood supply. : Ultraschall in der Medizin (Stuttgart, Germany : 1980).

Harvard

Ertl M., Altmann M., Torka E., Helbig H., Bogdahn U., Gamulescu A. and Schlachetzki F. (20130627). The retrobulbar "spot sign" as a discriminator between vasculitic and thrombo-embolic affections of the retinal blood supply. : Ultraschall in der Medizin (Stuttgart, Germany : 1980).

MLA

Ertl M, Altmann M, Torka E, Helbig H, Bogdahn U, Gamulescu A and Schlachetzki F. The retrobulbar "spot sign" as a discriminator between vasculitic and thrombo-embolic affections of the retinal blood supply. : Ultraschall in der Medizin (Stuttgart, Germany : 1980). 20130627.