, ▁Berlin ▁and ▁Prag ue , ▁receiving ▁his ▁doctor ate ▁in ▁ 1 8 6 5 . ▁In ▁ 1 8 6 9 ▁he ▁qualified ▁as ▁a ▁lect urer ▁in ▁ph arm ac ology ▁at ▁Wür zburg , ▁where ▁in ▁ 1 8 7 4 ▁he ▁became ▁an ▁associate ▁professor . ▁In ▁ 1 8 8 2 ▁became ▁a ▁full ▁professor ▁of ▁special ▁path ology ▁and ▁ther apy ▁and ▁director ▁of ▁the ▁medical ▁clin ic ▁at ▁the ▁University ▁of ▁J ena ▁as ▁a ▁successor ▁to ▁Hermann ▁N oth n ag el . ▁In ▁ 1 8 9 2 ▁he ▁res igned ▁his ▁professor ship ▁at ▁J ena ▁for ▁reasons ▁of ▁health . ▁ ▁His ▁name ▁is ▁associated ▁with ▁" R oss bach ' s ▁disease ", ▁a ▁g astr ic ▁dis order ▁better ▁known ▁as ▁hyper ch lor h yd ria . ▁ ▁Selected ▁works ▁ ▁With ▁N oth n ag el , ▁he ▁was ▁co - author ▁of ▁" Hand buch ▁der ▁Ar z ne im itt elle hre " ▁( from ▁the ▁ 3 rd ▁edition ▁on ward ); ▁a ▁text book ▁that ▁was ▁translated ▁into ▁English ▁with ▁the ▁title ▁" A ▁treat ise ▁on ▁mater ia ▁med ica ▁: ▁( including ▁th era pe ut ics ▁and ▁to xic ology ) ". ▁Other ▁not ew orth y ▁written ▁efforts ▁by ▁Ross bach ▁are : ▁ ▁Phys i ologie ▁und ▁Path ologie ▁der ▁m ensch lichen ▁Stim me ; ▁auf ▁Grund lage ▁der ▁ne uest en ▁ak ust ischen ▁Leist ungen