Respiratory Disease / Copper / Zinc / Iron / Nutritional Status / Preschool Children / Trace element / Chi Square Test / Reference Value / Age Groups / Preschool Children / Trace element / Chi Square Test / Reference Value / Age Groups
Mexico / Humans / Mexico City / Female / Male / Mexican American / Mexican Americans / Aged / Middle Aged / Spirometry / Adult / Vital Capacity / Public health systems and services research / MEXICO / Reference Values / Healthy Subjects / Reference Value / Predictive value of tests / Expected Value / Mexican American / Mexican Americans / Aged / Middle Aged / Spirometry / Adult / Vital Capacity / Public health systems and services research / MEXICO / Reference Values / Healthy Subjects / Reference Value / Predictive value of tests / Expected Value
Comparative Study / vitamin C / Soft Drinks / Iron / Animal Protein / School Children / Dairy Products / Feeding Habit / Reference Value / School Children / Dairy Products / Feeding Habit / Reference Value
Transportation Economics / Performance / Value for money / Cost Efficiency / Key Performance Indicator / Service Provider / Reference Point / Reference Value / Service Provider / Reference Point / Reference Value
Transportation Economics / Performance / Value for money / Cost Efficiency / Key Performance Indicator / Service Provider / Reference Point / Reference Value / Service Provider / Reference Point / Reference Value
Family history / Birth Weight / Rio de Janeiro / Medical Physiology / Congenital Adrenal Hyperplasia / Physical examination / Gestational Age / Retrospective Study / Reference Value / False Positive / Physical examination / Gestational Age / Retrospective Study / Reference Value / False Positive