Articles by author - Janusz Sierdzinski

25(OH)D serum concentration in women with menstrual disorders -risk factors for Vitamin D deficiency.

Grzechocinska B, Warzecha D, Szymusik I, Sierdzinski J, Wielgos M.

Journal Article 2018; 39(3): 219-225 PubMed PMID: 30431736  Keywords:  Adolescent, Adult, Body Mass Index, Estradiol:blood, Female, Humans, Menstruation Disturbances:blood, Obesity:blood, Oligomenorrhea:blood, Overweight:blood, Risk Factors, Sex Hormone-Binding Globulin:metabolism, Testosterone:blood, Vitamin D:analogs & der.    Citation

INTRODUCTION: Vitamin D (VD) plays a crucial role in calcium metabolism as well as immunological and endocrine homeostasis. Previous studi.....

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