Archives Belges De Medecine Sociale, Hygiene, Medecine Du Travail Et Medecine Legale. Belgisch Archief Van Sociale Geneeskunde, Hygiene, Arbeidsgeneeskunde En Gerechtelijke Geneeskunde|February 1, 1972
Osteoporosis International : a Journal Established As Result of Cooperation Between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA|April 5, 2007
Archives Belges De Medecine Sociale, Hygiene, Medecine Du Travail Et Medecine Legale. Belgisch Archief Van Sociale Geneeskunde, Hygiene, Arbeidsgeneeskunde En Gerechtelijke Geneeskunde|February 1, 1972
Osteoporosis International : a Journal Established As Result of Cooperation Between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA|April 5, 2007