The serum SIL-2R level in the syphilitic patients was slightly higher in all stages of syphilis after effective treatment using penicillin than those of normal controls(P>0 05).
青霉素治疗后，判为治疗有效者，测定SIL - 2R的水平，比正常组略高，两者无显著性差异（P >0 0 5 ）。
The preparation of penicillin G sulfoxide p-nitrobenzyl ester from penicillin G was studied.
对青霉素G钾制备青霉素G亚砜对-硝基苄酯工艺进行了研究。
The preparation of penicillin G sulfoxide p-nitrobenzyl ester from penicillin G was studied.
对青霉素G钾制备青霉素G亚砜对-硝基苄酯工艺进行了研究。
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