TY  - JOUR
AU  - Cowling, B. J.
TI  - Facemasks and hand hygiene to prevent influenza transmission in households
JA  - Ann. Intern. Med.
PY  - 2009///
VL  - 151
SP  - 437
EP  - 446
PB  - Nature Publishing Group
M3  - 10.1059/0003-4819-151-7-200910060-00004
N1  - 10.1059/0003-4819-151-7-200910060-00004
UR  - http://dx.doi.org/10.1059/0003-4819-151-7-200910060-00004
ER  -