Columbia subject headings:
Harvard subject headings:
Birth control--Government policy--Thailand--Chiang Mai (Province)
Birth control--Thailand--Chiang Mai (Province)
Fertility, Human--Thailand--Chiang Mai (Province)
Princeton subject headings:
Birth control--Government policy--Thailand--Chiang Mai (Province).
Birth control--Thailand--Chiang Mai (Province).
Fertility, Human--Thailand--Chiang Mai (Province).