About TAKAGI MASAAKI
About 長野県北信保健所
About TORIUMI HIROSHI
About 長野県北信保健所
About ENDO TAKURO
About YAMAMOTO NORISHIGE
About 埼玉県衛研
About KUROKI TOSHIRO
About 感染症学雑誌
About pool water
About Cryptosporidiosis
About Infectious diseases,parasitics diseases in general.
About クリプトスポリジウム症
About 集団発生