APA

EHLERS F., FROMME W., SAUER W. & TRUB C. L. P. (20020501). [Results of statistical collections and official investigations during the active control of typhoid and paratyphoid in North Rheinland Westphalia in the post-war period]. : Archiv fur Hygiene und Bakteriologie.

Chicago

EHLERS F, FROMME W, SAUER W and TRUB C L P. 20020501. [Results of statistical collections and official investigations during the active control of typhoid and paratyphoid in North Rheinland Westphalia in the post-war period]. : Archiv fur Hygiene und Bakteriologie.

Harvard

EHLERS F., FROMME W., SAUER W. and TRUB C. L. P. (20020501). [Results of statistical collections and official investigations during the active control of typhoid and paratyphoid in North Rheinland Westphalia in the post-war period]. : Archiv fur Hygiene und Bakteriologie.

MLA

EHLERS F, FROMME W, SAUER W and TRUB C L P. [Results of statistical collections and official investigations during the active control of typhoid and paratyphoid in North Rheinland Westphalia in the post-war period]. : Archiv fur Hygiene und Bakteriologie. 20020501.