Using Rasch measurement to investigate the cross-form equivalence and clinical utility of Spanish and English versions of a diabetes questionnaire: a pilot study.
Journal article published in 2002 by
B. Gerber 
,
E. Smith,
M. Girotti,
L. Pelaez,
K. Lawless,
L. Smolin,
I. Brodsky,
A. Eiser
,
E. Smith,
M. Girotti,
L. Pelaez,
K. Lawless,
L. Smolin,
I. Brodsky,
A. Eiser
