Referentie

Verkerk, G., Jeukens-Visser, M., Koldewijn, K., van Wassenaer, A., Houtzager, B., Kok, J., & Nollet, F. (2011). Infant behavioral assessment and intervention program in very low birth weight infants improves independency in mobility at preschool age. The Journal of pediatrics, 159, 933-938.