Experiment results also showed that papaverine has been absorbed and distributed by 30～60 mg after intramuscular injection or intravenous injection,the concentration of drug acted on the remote end was very tiny, by calculating only several microgram could reach fingers.
而且有研究表明罂粟碱30～60 mg肌注或静脉注射后经过吸收和分布,作用于远端的药物浓度甚微,经计算到达手指仅有几微克。
参考来源 - 罂粟碱不同给药途径对兔腹壁浅动脉皮瓣血管阻力影响的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Results should not be above 20 micrograms per liter of urine (20ug/L).
测试结果应当不高于20微克/升。
But collard greens, with about 375 micrograms per half-cup, are among the best.
而其中每半杯含375毫克的羽衣甘蓝蔬菜则是佼佼者。
Health risks in children at various blood lead levels, in micrograms per liter.
不同的血铅水准对儿童健康的风险有别，以下数值单位为微克每升。
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