Columbia subject headings:
Child health services--Canada--History--20th century.
Children--Health and hygiene--Canada--History--20th century.
Pediatrics--Canada--History--20th century.
Physician and patient.
Harvard subject headings:
Child health services--Canada--History--20th century.
Children--Health and hygiene--Canada--History--20th century.
Pediatrics--Canada--History--20th century.
Physician and patient
Princeton subject headings:
Child health services--Canada--History--20th century.
Children--Health and hygiene--Canada--History--20th century.
Pediatrics--Canada--History--20th century.
Physician and patient.