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Objective: To investigate the physical growth of Vietnamese children on a longitudinal basis and with regard to any secular trend.Design: A longitudinal study with four birth cohorts: 1981, 1982, 1983 and 1984 followed up in their homes from birth to 10 y.Subjects: Two-hundred twelve children (128 boys and 84 girls) from two (Hai Ba and Hoan Kiem) out of(More)
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