Impact of vaccination on Haemophilus influenzae type b carriage in healthy children less than 5 years of age in an urban population in Nepal by Shrestha, S, Stockdale, LK, Voysey, M, Gautam, MC, Gurung, M, Feng, S, Maskey, P, Kerridge, S, Kelly, S, Pokhrel, B, Rajbhandari, P, Thorson, S, Khadka, B, Shah, G, Scherer, KS, Kelly, D, Murdoch, DR, Shrestha, S, Pollard, AJ