Merck 111499 Bacillus Stearothermophilus Spore Suspension For The Antibiotic Sulfonamide Residue Test Acc.To KundratMerck 111499 Bacillus Stearothermophilus Spore Suspension For The Antibiotic Sulfonamide Residue Test Acc.To Kundrat, Merck111499.0001