Internationals study [13] [14]

International DRLs [15] [16] [17]

Exam

Present

Australia 2011

Italy 2005

IAEA 2004

CEC

NRPB

Skull AP/PA

2.11

3

1.91

5

5

3

Skull LAT

1.29

1.5

1.45

3

3

1.5

Chest PA

0.29

0.2

0.25

0.4

0.3

0.2

L/S AP

2.72

6

2.98

7

10

6

L/S LAT

4.01

14

7.41

20

30

14

Pelvis AP

1.53

4

-

10

10

4