OPTIMIZING PREVENTIVE MEASURES BY STUDYING THE FACTORS THAT CAUSE PREMATURE LABOUR AND THE MECHANISM OF THEIR EFFECT. Wor.Bul.Pub.Helt. [Internet]. 2023 May 6 [cited 2026 Apr. 2];22:24-6. Available from: https://scholarexpress.net/index.php/wbph/article/view/2659