Risk factors for pandemic (H1N1) 2009 seroconversion among adults, Singapore, 2009

by Lim, W.-Y., Chen, C.H.J., Ma, Y., Chen, M.I.C., Lee, V.J.M., Cook, A.R., Tan, L.W.L., Tabo, N.F., Barr, I., Cui, L., Lin, R.T.P., Leo, Y.S., Chia Jr., K.S.
Published 2014