In the German language the word Schmuck means jewelry, adornment. The etymology of the pejorative meaning is a matter of some disagreement. The lexicographer Michael Wex, author of How to Be a Mentsh (And Not a Shmuck), writes that the Yiddish term and the German term are completely unrelated.
A fundamental philosophy of medical oncology, including combination chemotherapy, is that different drugs work through different mechanisms, and that the results of using multiple drugs will be synergistic to some extent.
What should be included: Chemotherapy is given in different ways, depending on the drug and the specific case. It can be taken orally, given by IV or injected under the skin, directly into an artery, directly into the tumor or it can be infused into a body cavity around the tumor.