TY - BOOK AU - Cliquet,R.L. AU - Schoenmaeckers,R. TI - From incidental to planned parenthood: results of the second national pertility survey in Belgium SN - 9020706535 U1 - 612.63 PY - 1976/// CY - Leiden PB - Martinus Nijhoff KW - Birth control KW - Fertility, Human KW - Statistics KW - Belgium KW - Sterilization (Birth Control) KW - Contraception N1 - Includes bibliographical references and index ER -