14 citations
,
  October 2016   in “Physiological Research”    Alfacalcidiol and metformin together lowered testosterone in women with PCOS, but did not significantly improve acne, hair growth, or pregnancy rates.  
     
           10 citations
,
  February 2017   in “Hormone Molecular Biology and Clinical Investigation”    Metformin effectively improves metabolic symptoms in women with PCOS, while alfacalcidiol does not have a significant impact.  
     
           March 2024   in “International journal of life-sciences scientific research/SSR Institute of International Journal of Life Sciences”    PCOS has many symptoms, with high androgen levels being the most common.  
     
           4 citations
,
  January 2017   in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism”    Two different mutations in the vitamin D receptor gene cause different symptoms and responses to treatment in Lebanese patients with hereditary rickets.  
     
           3 citations
,
  February 2016   in “Dermatologic Therapy”    Using minoxidil and tretinoin on the skin, along with oral vitamin D, improved hair thickness and density in two girls with woolly hair.