A 26 yr old man with Hodgkin dz comes to the physician to receive his second cycle of combination chemotherapy. Ten days after receiving his first cycle, he had a fever and leukocyte count of 800/mm3. He recovered after appropriate treatment. Which of the following is the most appropriate pharmacotherapy to add to this pt's second cycle of chemotherapy? A. Erythropoietin B. Filgrastim C. Interleukin-7 D. IL-11 E. Thrombopoietin I choose B. Filgrastim... what do you guys think?