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Table 2 The Classification of ASIA of patients

From: Research on pharyngeal bacterial flora in transoral atlantoaxial operation and the postoperative follow-up study

No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

a

D

D

C

D

B

C

D

C

C

D

C

C

E

B

D

C

B

C

B

E

b

D

D

D

D

C

D

D

D

C

D

D

D

E

C

D

D

C

C

B

E

  1. a: ASIA of before surgery
  2. b: ASIA of after surgery