CONCLUSION: the positive circulating membrane antigenreaction is closely related to egg laying by the female worms.
结论：循环表膜抗原阳性反应与雌虫排卵密切相关。
2
Methods: We examined and observed 52 patients with typhoid and 20 normal controls by bacterial culture, Widal reaction, and enzyme-linked immunoassay for detection of typhoid bacilli H antigen.