DOI: 10.1055/s-00034917

Kinder- und Jugendmedizin

References

Boere-Boonekamp MM, van der Linden-Kuiper LT.
Positional preference: prevalence in infants and follow-up after two years. Pediatrics [Internet]. 2001 Feb 1 [cited 2013 Feb 19]; 107: 339-343. Available from.

http://pediatrics.aappublications.org/content/107/2/339.short

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