Kore, G., Merchant, H., Narvel, H., Nayak, A. and Sousa, A.D. 2019. A study on premenstrual syndrome symptoms and their association with sleep quality in nursing staff. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 8, 4 (Mar. 2019), 1487–1490. DOI:https://doi.org/10.18203/2320-1770.ijrcog20191204.