@article{AVAL12aRI,
    author = {Avalos, M. and Grandvalet, Y. and Duran Adroher, N. and Orriols, L. and Lagarde, E.},
    title = {Analysis of multiple exposures in the case-crossover design via sparse conditional likelihood},
    journal = {Statistics in Medicine},
    year = {2012},
    teams = {DI},
    volume = {31},
    number = {21},
    pages = {2290--2302},
    month = {},
    note = {},
    url = {http://hal.archives-ouvertes.fr/hal-00742310},
    keywords = {},
    international = {y},
    reviewed = {y},
    indexed = {y},
    laboratory = {A}
}