国内的临床医学本硕那种的硕士，想申请phD，但是熟悉的一个教授说需要参加一个exam，
If you would like to do this, you need to take an exam to proof that your knowledge and experience is equivalent to that of a biology student. This should not be understood literally. The exam can be done for a sub-topic such as physiology together with molecular biology. The intention is to make sure that the prospective PhD-Student got elementary training in scientific work.
