de Raaf MA, Beekhuijzen M, Guignabert C, Vonk Noordegraaf A, Bogaard HJ (2015). "Endothelin-1 receptor antagonists in fetal development and pulmonary arterial hypertension". Reproductive Toxicology. 56: 45–51. Bibcode:2015RepTx..56...45D. doi:10.1016/j.reprotox.2015.06.048. PMID26111581.
de Raaf MA, Beekhuijzen M, Guignabert C, Vonk Noordegraaf A, Bogaard HJ (2015). "Endothelin-1 receptor antagonists in fetal development and pulmonary arterial hypertension". Reproductive Toxicology. 56: 45–51. Bibcode:2015RepTx..56...45D. doi:10.1016/j.reprotox.2015.06.048. PMID26111581.
de Raaf MA, Beekhuijzen M, Guignabert C, Vonk Noordegraaf A, Bogaard HJ (2015). "Endothelin-1 receptor antagonists in fetal development and pulmonary arterial hypertension". Reproductive Toxicology. 56: 45–51. Bibcode:2015RepTx..56...45D. doi:10.1016/j.reprotox.2015.06.048. PMID26111581.