In this task, you will be given sentences in which your task is to recognize the name of the drug or medicine. Drugs are substances that change a person's mental or physical state. They can affect how your brain works, how you feel and behave, your understanding, and your senses. Although there might be several correct answers, you need to write one of them.

[Q]: Treatment of APL in pregnancy is controversial as the use of ATRA has been questioned due to the teratogenic effect of retinoids.
[A]: ATRA


[Q]: The changes were progressive regardless of discontinuation of cyclophosphamide and led to severe restrictive ventilatory defect.
[A]: cyclophosphamide


[Q]: We report a case of fatal pulmonary toxicity in a patient with advanced non-small cell lung cancer who received erlotinib.
[A]:
erlotinib