[The surgical mask and type A streptococcus in the maternity ward].
Branger
B
B
Multon
O
O
Winer
N
N
D005260:Female; D006801:Humans; D008397:Masks / Q000706:statistics & numerical data*; D009784:Occupational Diseases / Q000517:prevention & control*; D016273:Occupational Exposure; D011247:Pregnancy; D013290:Streptococcal Infections / Q000517:prevention & control* / Q000635:transmission*; D013297:Streptococcus pyogenes / Q000472:pathogenicity*