Centre (1) Education (1) Development (1) Children (1) Communication (1) Longitudinal studies (1) Specimens (1) Longitudinal studies (1) Comparative studies (1) Walking (1) State, The (1) Social institutions (1) Samples (Commerce) (1) Possibility (1) Necessity (Philosophy) (1) European hake (1) Hygiene (1) Hand (1) Gait in humans (1) Evidence (1) Europeans (1) Curves (1) Character (1) Breastfeeding (1) Provenances (1) Use (1) Usage (1) Measurement (1) Age (1) Sexual behavior (1)