2937 Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis, derivatives and structural analogues thereof `incl. chain modified polypeptides`, used primarily as hormones
2937 Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis, derivatives and structural analogues thereof `incl. chain modified polypeptides`, used primarily as hormones