South China Journal of Preventive Medicine ›› 2020, Vol. 46 ›› Issue (6): 719-721.doi: 10.12183/j.scjpm.2020.0719

• Clinical Research • Previous Articles     Next Articles

  

  • Received:2020-08-23 Online:2020-12-20 Published:2021-01-12

CLC Number: 

  • R181.3+2