By that time it had become difficult for Mexican medical graduates, to receive further training and specialization in the United States, which still has the lead in many aspects, such as health care development and application of technology in medicine.
It had become difficult for Mexican medical graduates, to receive further training and specialization in the United States such as health care development. This was by that time. It had become difficult for Mexican medical graduates, to receive further training and specialization in the United States such as application of technology in medicine. This was by that time. The United States still has the lead in many aspects.