Vitamin D status in children Roger Bouillon; Leen Antonio; Nick Narinx;

Vitamin D deficiency in children and adolescents with obesity: a meta-analysis Verônica Indicatti Fiamenghi; Elza Daniel de Mello;

Serological biomarker models composed of luteinizing hormone, kisspeptin, vitamin D and estradiol, and their clinical test value in girls Mingyu Shao; Zhiyi Jia; Tongtong Liu; Xiaopeng Zhang;