South China Journal of Preventive Medicine ›› 2022, Vol. 48 ›› Issue (12): 1548-1551.doi: 10.12183/j.scjpm.2022.1548

• Field Research • Previous Articles     Next Articles

  

  • Received:2022-05-21 Online:2022-12-20 Published:2023-02-21

CLC Number: 

  • R446.5