Association between complementary food introduction before age 4 months and body mass index at age 5–7 years: A retrospective population-based longitudinal cohort study

1. Ha, E.K.
2. Kim, J.H.
3. Baek, H.-S.
4. Lee, E.
5. Baek, J.H.
6. Shim, S.
7. Kim, Y.H.
8. Moreno, L.A.
9. Lee, S.W.
10. Han, M.Y.