Belgians (2) Age (2) Belges (2) Âge (2) Régions administratives (2) Belgique (1) Doors (1) Pruning (1) Birthplace (1) Children (1) Assaying (1) Correspondence (1) Correspondence (1) Respect (1) Proportion (1) Pregnancy proteins (1) Mothers (1) Months (1) Informers (1) Equality (1) Curves (1) Building (1) Classification (1) Classification (1) Technique (1) Weight (1) Analysis (1) Sexual behavior (1) Birth (1) Growth (1)