TY  - GEN
AU  - Csapo,A I
AU  - Pohanka,O
AU  - Kaihola,H L
TI  - Progesterone deficiency and premature labour
SN  - 0007-1447
PY  - 1974///0403
KW  - Adult
KW  - Cervix Uteri
KW  - physiopathology
KW  - Dilatation
KW  - Estradiol
KW  - blood
KW  - Female
KW  - Gestational Age
KW  - Humans
KW  - Obstetric Labor, Premature
KW  - Organ Size
KW  - Parity
KW  - Placenta
KW  - Placentation
KW  - Pregnancy
KW  - Progesterone
KW  - Time Factors
KW  - Uterus
KW  - physiology
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1136/bmj.1.5899.137
ER  -