磷矿石多伴生有少量天然放射性物质。在地下开采中,其小剂量长期照射对人体的影响如何?其说不一。为利于开采工作的正常进行,利于给放射性损伤早期诊断提供依据,我们于1982年11月～1983年10月对1108名井下工人进行了病史、症状、查体及血象等 Phosphate rock associated with a small amount of natural radioactive substances. In the underground mining, the long-term exposure to small doses of its impact on the human body? In order to facilitate the normal mining work, conducive to the early diagnosis of radioactive injury provide a basis, we from November 1982 to October 1983 1108 downhole workers were medical history, symptoms, physical examination and blood, etc.