Literature on utilisation of "ion-exchange material" in streptomycin purification and on other purification problems. (A select bibliography-1946 to 1970).
D001634:Bibliographies as Topic; D007475:Ion Exchange Resins; D013307:Streptomycin / Q000302:isolation & purification*
D007475:Ion Exchange Resins; D013307:Streptomycin