The essay should be referenced by the book called Sinclair Lewis, Arrowsmith. Signet Classic (1998). ISBN: 0-451-52691-0. How does Arrowsmith reveal the increasing commercialism of medical practice and research? illuminate the way in which such commercialism continues to affect medical care and research? give some example from his chapters. add like more than two work cited sources. Be sure to document fully, following MLA specifications for in-text citations, and include a Works Cited list, also following MLA specifications. no plagiarism please.. This course examines the relationship between literature and medicine by focusing on important literary works, including fiction, plays, poetry, and non-fiction. These works reveal how medical issues underlie many of the vital questions of our age.