. "classification according to more than one attribute at the same time; \"the cross-classification of cases was done by age and sex\""@en-us . "05735789-n"^^ . "0"^^ . . "104428046"@en-us . . . "105403158"@en-us . . "105735789"^^ . "0"^^ . . . . . "cross-classification"@en-us . "cross-division"@en-us . . "cross-classification"^^ . .