BibTex format
@article{Chang:2015:10.1186/s12879-015-0797-z,
author = {Chang, Q and Stevenson, AE and Croucher, NJ and Lee, GM and Pelton, SI and Lipsitch, M and Finkelstein, JA and Hanage, WP},
doi = {10.1186/s12879-015-0797-z},
journal = {BMC INFECTIOUS DISEASES},
title = {Stability of the pneumococcal population structure in Massachusetts as PCV13 was introduced},
url = {http://dx.doi.org/10.1186/s12879-015-0797-z},
volume = {15},
year = {2015}
}