AUTHOR=Huang Panwang , Zeng Beilei , Ren Feng , Zhou Yuan , Li Ye , Huang Yinyin , Liu Xingyu , Zhou Jiaxiu , Ma Yaping TITLE=Investigation of vitamin D deficiency in girls with growth and development variations—a single center study JOURNAL=Frontiers in Pediatrics VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2025.1518548 DOI=10.3389/fped.2025.1518548 ISSN=2296-2360