2011
Vaccine, (2011).29 20 10.1016/j.vaccine.2011.03.026.
2011
Environmental health, (2011).10 1 10.1186/1476-069X-10-107.
2011
Demography, (2011).48 2 10.1007/s13524-011-0028-1.
2011
The Stata journal, (2011).11 4 10.1177/1536867x1101100401.
2011
Lancet, (2011).378 9790 10.1016/S0140-6736(10)61505-X.
2011
The Cochrane library, (2011).14 8 10.1016/j.jval.2011.05.048.
2011
BMC medical research methodology, (2011).11 1 10.1186/1471-2288-11-36.
2011
Statistics in medicine, (2011).30 28 10.1002/sim.4383.
2011
BMC medical research methodology, (2011).11 1 10.1186/1471-2288-11-33.
2011
The British journal of dermatology, (2011).166 1 10.1111/j.1365-2133.2011.10583.x.