Objective The investigations of the paralytic shellfish poisoning (PSP) from Huangsha seafood market of Guangzhou was performed to assess the risk of PSP in bivalves.

• 目的通过对广州市黄沙海产品批发市场7种经济贝类为期一年的麻痹性贝毒(PSP)污染状况的调查分析,了解海产品食用的安全性。