Columbia subject headings:
Child development.
Growth.
Premature infants.
Sarah Morris Hospital for Children.
Harvard subject headings:
Chicago (Ill.). Michael Reese Hospital. Sarah Morris Hospital for Children.
Child development
Growth
Premature infants
Sarah Morris Hospital for Children
Princeton subject headings:
Chicago. Michael Reese Hospital. Sarah Morris Hospital for Children.
Child development.
Growth.
Premature infants.