抗生素类药物的鉴别和检查有何特点？
What are the characteristics for the identification and tests of antibiotics?
结果：由抗生素类药物引起的药源性血尿所占比例最高（81。
Results: Antibiotic medicine causes the highest percentage of the pediatric medicine hematuria(81.48%).
青霉素是一种高效广谱抗生素类药物，广泛应用于预防及治疗奶牛疾病。
Penicillin is a highly effective broad-spectrum antibiotics, widely used in disease prevention and treatment of dairy cows.
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