Columbia subject headings:
Harvard subject headings:
Contraception--Brazil--Paraná (State)--History--20th century.
Family planning services--Brazil--Paraná (State)--History--20th century.
Gynecology--Brazil--Paraná (State)--History--20th century.
Obstetrics--Brazil--Paraná (State)--History--20th century.
Princeton subject headings:
Contraception--Brazil--Paraná (State)--History--20th century.
Family planning services--Brazil--Paraná (State)--History--20th century.
Gynecology--Brazil--Paraná (State)--History--20th century.