乙肝病毒攜帶者在中國是很多的,為什麼它沒有把它的基因取換sars病毒的4段？為什麼是愛滋病毒替換呢？

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.

Copyright ©1998-2024 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy