Conclusion the quality of chromosome specimen in PBL made by the new method is dependable. It is available to many students' experiment.
结论大体积培养人外周血淋巴细胞制备的染色体标本质量可靠，适用于大规模学生实验。
2
Objective: To study the effects of Scene teaching method with PBL in teaching of cardiopulmonary resuscitation.
目的：研究以问题为中心的教学方法结合情景教学法在心肺复苏教学中的效果。
3
It was proved that PBL teaching method could help the students to master the techniques soon and improve their ability of observation, thinking, analyzing and resolving problems.