@article{CAD_1993__18_3_281_0,
     author = {Nodjiram, Sagombaye},
     title = {Sur l'h\'et\'erog\'en\'eit\'e des groupes de patients dans une \'etude comparative},
     journal = {Les cahiers de l'analyse des donn\'ees},
     pages = {281--296},
     publisher = {Dunod-Gauthier-Villars},
     address = {Paris},
     volume = {18},
     number = {3},
     year = {1993},
     language = {fr},
     url = {http://www.numdam.org/item/CAD_1993__18_3_281_0/}
}