%0 Journal Article %T Ultrasound features of secondary appendicitis in pediatric patients %A Hong Il Ha %A Kwanseop Lee %A Lyo Min Kwon %A Min-Jeong Kim %A Soo Kee Min %A Soo Min Ahn %J Archive of "Ultrasonography". %D 2018 %R 10.14366/usg.17029 %K Ultrasonography %K Appendix %K Appendicitis %K Inflammation %K Pediatrics %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6044217/