Rebecca Goldberg&#150; Some of these, for example penicillin, tetracycline, aritheromycin, are also drugs that are important in human medicine or closely related to drugs that are used to treat sick people.
(Some of these; are also; drugs that are important in human medicine or closely related to drugs) (drugs; are; important in human medicine or closely related to drugs) (drugs; closely related; to drugs) (drugs; are used; to treat sick people) (drugs; to treat; sick people)
Some of these drugs drugs drugs drugs
are also are closely related are used to treat
drugs that are important in human medicine or closely related to drugs
important in human medicine or closely related to drugs
to drugs
to treat sick people
sick people