European Journal of Pediatrics, 182, 1, pp. 295-306 European Journal of Pediatrics, 182, 295-306. SPRINGER European Journal of Pediatrics, 182(1), 295-306. Springer-Verlag European Journal of Pediatrics, 182, 295-306
European Journal of Pediatrics, 180, 1257-1266. SPRINGER European Journal of Pediatrics European Journal of Pediatrics, 180(4), 1257-1266. Springer-Verlag