TY  - GEN
AU  - Imaizumi,Y
TI  - [[Perinatal mortality rates in single and multiple births, and the effects of maternal age, birthweight, and other factors on the perinatal mortality rates in Japan]]
SN  - 0387-2793
PY  - 1994///0602
KW  - Age Factors
KW  - Asia
KW  - Biology
KW  - Birth Order
KW  - Birth Weight
KW  - Body Weight
KW  - Demography
KW  - Developed Countries
KW  - Family Characteristics
KW  - Family Relations
KW  - Asia, Eastern
KW  - Fetal Death
KW  - Fetus
KW  - Gestational Age
KW  - Infant Mortality
KW  - Japan
KW  - Maternal Age
KW  - Mortality
KW  - Multiple Birth Offspring
KW  - Parents
KW  - Physiology
KW  - Population
KW  - Population Characteristics
KW  - Population Dynamics
KW  - Pregnancy
KW  - Pregnancy Outcome
KW  - Reproduction
KW  - Sex Factors
N1  - Publication Type: English Abstract; Journal Article
ER  -