Muydinova Maftuna Tilavoldiyevna., and Mamasaidov Jamolidin Turgunboyevich. “OPTIMIZING PREVENTIVE MEASURES BY STUDYING THE FACTORS THAT CAUSE PREMATURE LABOUR AND THE MECHANISM OF THEIR EFFECT”. World Bulletin of Public Health, vol. 22, May 2023, pp. 24-26, https://scholarexpress.net/index.php/wbph/article/view/2659.