Bocca , G., C.M. Weemaes , I. van der Burgt , et al. "Growth Hormone Treatment in Cartilage-Hair Hypoplasia: Effects on Growth and the Immune System" Journal of Pediatric Endocrinology and Metabolism, 17.1 (2011): 47-54. Retrieved 22 May. 2013, from doi:10.1515/JPEM.2004.17.1.47

Bocca , G., Weemaes , C., van der Burgt , I., et al. (2011). Growth Hormone Treatment in Cartilage-Hair Hypoplasia: Effects on Growth and the Immune System. Journal of Pediatric Endocrinology and Metabolism, 17(1), pp. 1-113. Retrieved 22 May. 2013, from doi:10.1515/JPEM.2004.17.1.47

Bocca , G., C.M. Weemaes , I. van der Burgt , et al. 2011. Growth Hormone Treatment in Cartilage-Hair Hypoplasia: Effects on Growth and the Immune System. Journal of Pediatric Endocrinology and Metabolism. 17(1): 1-113. Retrieved 22 May. 2013, from doi:10.1515/JPEM.2004.17.1.47