MINIREVIEWS

1. Ophthalmological instruments of Al-Halabi fill in a gap in the biomedical engineering history
2. Severe acute respiratory syndrome coronavirus 2 pandemic related morbidity and mortality in patients with pediatric surgical diseases:A concerning challenge
3. Liver transplant allocation policies and outcomes in United States: A comprehensive review
4. Interrogating the interplay of angiogenesis and immunity in metastatic colorectal cancer

ORIGINAL ARTICLE

1. Phenomenology of obsessive-compulsive disorder in children and adolescents: Sample from a tertiary care center in Istanbul, Turkey