There is some speculation that slow. With no activity, because the body is not strong, or maybe because of absenteeism, sick is a congenital disease makes learning not friends in the classroom.
Has developed slowly Not available in their activities due to physical or frequent absences due to illness, a medical student did not make friends in the classroom.
The development of the slow. Not ready to do activities because the body is not strong or may frequently absent because of sick เป็นโรคประจำตัว to catch your friends in the classroom.