TY - GEN AU - Haas,David M TI - Preterm birth SN - 1752-8526 PY - 2016///0422 KW - Adrenal Cortex Hormones KW - therapeutic use KW - Adrenergic beta-Agonists KW - Cerclage, Cervical KW - Humans KW - Infant, Newborn KW - Obstetric Labor, Premature KW - drug therapy KW - Premature Birth KW - prevention & control KW - Progesterone KW - administration & dosage KW - Thyrotropin-Releasing Hormone N1 - Publication Type: Journal Article; Review; Systematic Review ER -