About CAMPBELL W C
About Merck, New Jersey
About FISHER M H
About Merck, New Jersey
About STAPLEY E O
About Merck, New Jersey
About ALBERS-SCHOENBERG G
About Merck, New Jersey
About JACOB T A
About Merck, New Jersey
About Science
About metabolite
About Streptomyces
About Basic research of antiprotozoan drugs and anthelmintics
About イベルメクチン
About 抗寄生虫剤