TY  - GEN
AU  - Iar'kov,L
TI  - [Obstetrics and perinatal medicine]
SN  - 0324-0959
PY  - 1972///0601
KW  - Bulgaria
KW  - Female
KW  - Humans
KW  - Maternal Health Services
KW  - Obstetrics
KW  - Postnatal Care
KW  - Pregnancy
KW  - Prenatal Care
N1  - Publication Type: Journal Article
ER  -