South China Journal of Preventive Medicine ›› 2026, Vol. 52 ›› Issue (4): 457-460.doi: 10.12183/j.scjpm.2026.0457

• Field Research • Previous Articles     Next Articles

  

  • Received:2025-09-26 Online:2026-04-20 Published:2026-05-08

CLC Number: 

  • R532.21