South China Journal of Preventive Medicine ›› 2019, Vol. 45 ›› Issue (6): 598-600.doi: 10. 12183/j. scjpm. 2019. 0598

• Health Supervision and Health Management • Previous Articles    

  

  • Received:2019-10-06 Online:2019-12-20 Published:2020-01-21

CLC Number: 

  • R155.5+1