They repeated their experiments with smaller samples of human skin.
他们还在人类皮肤上重复了小样本的实验。
2
The Mailman School researchers and colleagues studied the blood of patients enrolled in a cancer screening program in Taiwan, who provided repeated blood samples prior to diagnosis.
梅尔曼学院研究人员研究了台湾癌症筛选项目入选者的血样——他们在临床确诊前多次提供血样。
3
Samples from pond sediments were inoculated to obtain the pure culture of Methanosarcina sp. by repeated enriching and isolating. Growth was fasted on H_2+CO_2 or methanol.