South China Journal of Preventive Medicine ›› 2022, Vol. 48 ›› Issue (10): 1257-1260.doi: 10.12183/j.scjpm.2022.1257

• Field Research • Previous Articles     Next Articles

  

  • Received:2021-09-22 Online:2022-10-20 Published:2022-12-13

CLC Number: 

  • R599.9