Methods The plasma fibrinopeptide A (FPA) and thromboxane B2 (TXB2) were measured by high performance liquid chromatography and radioimmuroassay, respectively, in 18 neonates with pneumorrhagia.

• 方法对新生儿窒息和新生儿硬肿症的肺出血和无肺出血患儿血液中血栓素B2（TXB2）和纤维蛋白肽A（FPA）进行了对照观察。分别采用高效液相色谱法及放射免疫法测定血浆FPA和TXB2的浓度。