title: COLLAGEN-MUSCLE RATIO IN CLINICALLY NORMAL AND CLINICALLY INCOMPETENT CERVICES.
mesh_terms: D000026:Abortion, Habitual; D000028:Abortion, Induced; D000022:Abortion, Spontaneous; D001706:Biopsy; D001808:Blood Vessels; D002584:Cervix Uteri; D003094:Collagen; D005260:Female; D006653:Histology; D006801:Humans; D009132:Muscles; D049590:Postpartum Period; D011247:Pregnancy; D011248:Pregnancy Complications; D002581:Uterine Cervical Incompetence
chemical_list: D003094:Collagen
keywords: ABORTION, HABITUAL; BIOPSY; BLOOD VESSELS; CERVIX UTERI; COLLAGEN; HISTOLOGY; MUSCLES; PREGNANCY; PREGNANCY COMPLICATIONS; PUERPERIUM