Erythema migrans appears at the bite site after three days to a month.
游走性红斑于3日至一个月后出现在被叮咬处。
Objective: To explore the possibility of immune prevention of larva migrans of Toxocara Canis.
目的：探索犬弓首线虫幼虫移行症免疫预防的可能性。
Objective: To explore the possibility of immune prevention of larva migrans of Toxocara Canis.
目的：探索犬弓首线虫幼虫移行症免疫预防的可能性。
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