@article{Hart2003,
author = {Hart, C.L. and Smith, G.D.},
title= {Relation between number of siblings and adult mortality and stroke risk: 25 year follow up of men in the Collaborative study},
year = {2003},
doi = {10.1136/jech.57.5.385},
journal = {Journal of Epidemiology and Community Health},
volume = {57},
number = {5},
pages = {385--391},
}