您要查找的是不是：
- I-A抗原I-a antigen
- 血型A抗原Bloed group A antigen
- S基因A抗原位点antigenic site A of S gene
- 人干燥综合征A抗原Human Sjogren's syndrome antigen A
- 红细胞携带A抗原的血型。The blood group whose red cells carry the A antigen.
- 不仅A而且not merely A but also B
- 与其说A不如说not so much A as B
- 红细胞携带A抗原和B抗原的血型the blood group whose red cells carry both the A and B antigens
- A股A-share
- 把A误以为take A for B
- Ｒ抗原R antigen
- θ抗原θ antigen
- 维生素Avitamin(e)
- 抗毒血清，抗毒素包含对一种或多种抗原的特异抗体的人体或动物血清Human or animal serum containing antibodies that are specific for one or more antigens.
- 把A视为looked upon A as B
- Ｒｈ抗原Rh antigen
- 双酚Abisphenol A
- 不完全抗原partial antigen
- Ｈ－２抗原H-2 antigen
- A型A Mode; A-form
