Godofredus Augustus Emmrich: Disseratione inauguralis De genuina chlorosis indole, origine et curatione. Von der wahren Eigenschaft, Ursprung und Cur der Bleichsucht.

Classic description of chlorosis. Lange accurately diagnosed this condition, but it was left to Hoffmann to separate it as a definite entity. Hoffmann published his contribution to this subject in the thesis of his student Gottfried Emmrich.