Objective: To assess the validity of a semi-quantitative food-frequency questionnaire (SFFQ) used in a large nation-wide dietary survey among 12-month-old Norwegian infants. Methods: The SFFQ was ...
Background Validation of instruments used to measure physical activity patterns is essential when attempting to assess the effectiveness of physical activity interventions. Objectives To assess the ...
European expert opinions regarding pharmaceutical process validation were collected and studied by performing an Internet Delphi survey. In total, 36 experts from 10 countries representing the ...
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