@article{MET_1972__19_175563, author = {A. Linder}, title = {Statistical {Methods} in {Medical} {Research} - {Armitage,} {P.}}, journal = {Metrika}, pages = {238--238}, publisher = {mathdoc}, volume = {19}, year = {1972}, url = {http://geodesic.mathdoc.fr/item/MET_1972__19_175563/} }