South China Journal of Preventive Medicine ›› 2022, Vol. 48 ›› Issue (11): 1404-1406.doi: 10.12183/j.scjpm.2022.1404

• Field Research • Previous Articles     Next Articles

  

  • Received:2022-06-28 Online:2022-11-20 Published:2023-01-10

CLC Number: 

  • R540.41