Epidemiological investigation on diphtheria serum IgG antibody levels in people aged 1-59 years old in Shaanxi province

ZHANG Chao, ZHOU Tiantian, LI Siwen, TANG Weijun, HU Weijun

Tianjin Medical Journal . 2025, (10): 1081 -1086 . DOI: 10.11958/20251924