Columbia subject headings:
Childbirth--Abstracts.
Childbirth--Bibliography.
Infants--Health and hygiene--Abstracts.
Infants--Health and hygiene--Bibliography.
Pregnancy--Abstracts.
Harvard subject headings:
Childbirth--Abstracts.
Childbirth--Bibliography.
Infants--Care--Abstracts.
Infants--Care--Bibliography
Pregnancy--Abstracts.
Pregnancy--Bibliography
Princeton subject headings:
Abstracts.
Childbirth--Abstracts.
Childbirth--Bibliography.
Infants--Care--Abstracts.
Infants--Care--Bibliography.
Infants--Health and hygiene--Abstracts.
Infants--Health and hygiene--Bibliography.
Pregnancy--Abstracts.
Pregnancy--Bibliography.