The obstetrician helped me a lot during childbirth.

I am studying the major of internal medicine.

The Confucian court examination system was used in the imperial examination system.

The imperial examination is an important form of examination in Vietnamese history.

Khoa is a common male name in Vietnam.

Pseudoscience cannot be accepted in the scientific community.

Pseudoscience is not considered a part of mainstream science.

Pseudoscience has no scientific basis.

He often boasts about his academic achievements.

He talked in an exaggerated way about his achievements.