[On the significance of the paper quality of testing filters].
D000900:Anti-Bacterial Agents / Q000032:analysis*; D005374:Filtration; D010209:Paper; D013752:Tetracycline / Q000032:analysis*
D000900:Anti-Bacterial Agents; D013752:Tetracycline
Zur Bedeutung der Papierqualität von Testblättchen.