Second, each manufacturer of an antibiotic assigns to it for marketing purposes a trade name . 第二个原因是，抗生素制造商为了市场的目的，要给它一个商品名称。
The subject of their research was gramicidin s, an antibiotic which had been isolated in the soviet union . 她们研究的科目是短杆菌肽S，这是一种抗菌素。当时，苏联已经成功地离析了这种抗菌素。
Penicillin, chlorampheicol, tetracycline, and various other antibiotics with or without streptomycin have also been needed with some degree of success under experimental conditions . 在实验条件下曾用过青霉素、氯霉素、四环素和其它各种抗菌素（和或不和链霉素连用），得到某种程度成功。
Antibiotic prophylaxis for 3 - 7 days after surgery 手术后4 - 7日连续使用抗生素率
Penicillin was the forerunner of modern antibiotics 青霉素是现代抗生素的先导。
Antibiotic prophylaxis within 2 hours prior to incision 手术前2小时抗生素使用率
Or a broad - spectrum antibiotic immediately , or .或者立即使用广谱抗生素，不然
Synthesis of antibiotics lenampicillium hydrochloride 抗菌药伦氨苄西林盐酸盐合成
Antibiotics , medical supplies , general first aid 抗生素、药物补给、一般急救用品
Psittacosis can be treated with antibiotics effectively 抗生素能有效治疗鹦鹉热。
