cnsxvoco2

cnsxvoco2

57 0 1

BCNS

BCNS

16 0 1

BCNS do tai…

CNSH dai cuong
cnsxvoco1

cnsxvoco1

76 0 1

cnshcau4

cnshcau4

63 0 1

cnshcau3

cnshcau3

113 0 1

On tap CNSHDV
cnshcau13

cnshcau13

154 0 1

cnshcau10

cnshcau10

1,190 3 1

cnshcau12

cnshcau12

88 0 1

cnshcau11

cnshcau11

73 0 1

cnshpt

cnshpt

718 1 1

Listeria

Listeria

20 0 1

Shigella

Shigella

68 0 1

cnshpt1

cnshpt1

154 0 1

Cau 2. Phan loai CNSH
Salmonella

Salmonella

66 0 1

decuongcnsh

decuongcnsh

344 0 1

phỏng vấn

phỏng vấn

57 1 15

pvhcns…

CAu 1: dinh ngia CNSH, lich su va vai tro