1. The Enigma of Spontaneous Preterm Birth
2. Births: final data for 2019;Martin JA;Natl Vital Stat Rep,2021
3. Births: final data for 2020;Osterman M;Natl Vital Stat Rep,2021
4. Biochemical markers as predictor of preterm labor - and their clinical relevance - the current;Singh S;Gynecol Obstetr Reprod Med,2022
5. The effect of cord blood vitamin D level on bronchopulmonary dysplasia and other neonatal morbidities in preterm infants;Koç E;Gynecol Obstetr Reprod Med,2022