TY  - BOOK
AU  - Egorova, N. S.
TI  - Basis principless of maternal and child health services in the USSR
PY  - 1960///]
CY  - M.
KW  - Охрана материнства и младенчества
KW  - СССР
KW  - nlr_sh1
KW  - Мд1-700
KW  - rubbk
ER  -