@article{26897, author = {{Bokhof, Beate and Günther, Anke LB and Berg-Beckhoff, Gabriele and Kroke, Anja and Buyken, Anette}}, issn = {{1368-9800}}, journal = {{Public Health Nutrition}}, pages = {{826--834}}, title = {{{Validation of protein intake assessed from weighed dietary records against protein estimated from 24 h urine samples in children, adolescents and young adults participating in the Dortmund Nutritional and Longitudinally Designed (DONALD) Study}}}, doi = {{10.1017/s136898000999317x}}, year = {{2010}}, }