This large cross-sectional study examined the impact of COVID-19 emergency measures on
child/adolescent mental health for children/adolescents with and without pre-existing …

Background A 2017 meta-analysis of data from 25 randomised controlled trials (RCTs) of
vitamin D supplementation for the prevention of acute respiratory infections (ARIs) revealed a …

… of <110 g/L, mean corpuscular volume <73 fL, and serum ferritin level <12 μg/L. Stroke was
… of <12 μg/L, MCV of <73 fL, and hemoglobin level of <110 g/L. Thrombocytosis was defined …

OBJECTIVES: To systematically identify clinical prediction rules (CPRs) for children with
suspected appendicitis and compare their methodological quality and performance. STUDY …

Importance Longitudinal research on specific forms of electronic screen use and mental
health symptoms in children and youth during COVID-19 is minimal. Understanding the …

The Applied Research Group for Kids (TARGet Kids!) is an ongoing open longitudinal
cohort study enrolling healthy children (from birth to 5 years of age) and following them into …

Objective To assess the mechanisms accounting for the transfer of risk from one generation
to the next, especially as they relate to maternal adverse childhood experiences and infant …

Importance Epidemiological studies support a link between low 25-hydroxyvitamin D levels
and a higher risk of viral upper respiratory tract infections. However, whether winter …

CONTEXT: Given radiation- and sedation-associated risks, there is uncertainty about which
children with head trauma should receive cranial computed tomography (CT) scanning. A …

Objective: The objective was to examine the association between mobile media device use
and communication delays in 18-month-old children. Methods: A cross-sectional study was …