The effects of a G protein-biased opioid, PZM21, and morphine on conditioned fear response in mice
Morphine;PZM21
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: Identify all the mentioned drugs in the given text. Text may or may not contain drug. If they contain more than 1 drug, use ";" as delimiter and join them. ### Input: The effects of a G protein-biased opioid, PZM21, and morphine on conditioned fear response in mice ### Output: Morphine;PZM21