The term phase iv clinical trials is identified in base64 scheme by the sequence cGhhc2UgaXYgY2xpbmljYWwgdHJpYWxz, while the MD5 signature is equal to 8ecf25813d6029a6ebbe2c87f4289d93. The ASCII encoding of phase iv clinical trials in hexadecimal notation is 706861736520697620636c696e6963616c20747269616c73.