BibTex format
@article{Grassly:2007:10.1016/S0140-6736(07)61077-0,
author = {Grassly, NC and Wenger, J and Bahl, S and Sutter, RW and Aylward, RB},
doi = {10.1016/S0140-6736(07)61077-0},
journal = {LANCET},
pages = {129--130},
title = {Protective efficacy of a monovalent oral type 1 poliovirus vaccine - Reply},
url = {http://dx.doi.org/10.1016/S0140-6736(07)61077-0},
volume = {370},
year = {2007}
}