Method 4 cases of melanoma with metastasis or recurrence after operations were vaccinated with large dose of BCG live vaccine. The long term efficacy was observed and summarized.
方法对4例恶性黑色素细胞瘤转移或术后复发患者接种大剂量卡介苗活菌的长期疗效进行观察和总结。
The protective efficacy of vaccines showed that the live attenuated vaccines only provided partial protection to the vaccinated chickens against heterologous IBV infection.
我国目前使用的主要活疫苗对异种IBV分离株的感染不能提供完全的保护作用。
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