Abuur nooc ka mid ah weedhan adag Daraasado dheeraad ah, inkastoo aysan xaqiijin jiidashada dumarka ee udgoonka MHC ee kala duwan, ayaa sidoo kale muujiyay in dumarka ku jira ka hortagga uurka ee hormoonka ah ay soo jiitaan MHCs la mid ah.
Dabcan, nooc ka sii adag jumlada ayaa ah "Daraasado dheeraad ah, in kasta oo aysan xaqiijin soo jiidashada dumarka ee urta MHC ee aan la mid ahayn, waxay awoodeen inay xaqiijiyaan soo jiidashada dumarka ka hortagga uurka ee MHCs la mid ah, sidoo kale muujinta in ragga ay aad ugu soo jiitaan urta dumarka leh MHC aan la mid ahayn. "