Serih, K.H., Naser, F.A., Rashid, F.A., Alkadhim Abd, M.A., Abbas, H.J., Naser, N.A. and Ali, H.A. 2023. Investigating the relation between transforming growth factor-β1 bioavailability with vitamin D and calcium in PCOS patients. Journal of Contemporary Medical Sciences. 9, 6 (Dec. 2023). DOI:https://doi.org/10.22317/jcms.v9i6.1466.