The purchase of last-generation antibiotics and other medicines for newborns, which temporarily maintain the permeability of the arterial ducts, had to be conducted in markets outside the United States, thus increasing the cost of the medicine.
36. 古巴也不得不在美国以外的市场为其新生儿购买最新一代的抗生素及暂时维持动脉血管渗透性的其他药品，从而增加了药品成本。