The term lumbar puncture is identified in base64 scheme by the sequence bHVtYmFyIHB1bmN0dXJl, while the MD5 signature is equal to 0a191878f1c1aaf4b16eabecd3a14df4. The ASCII encoding of lumbar puncture in hexadecimal notation is 6c756d6261722070756e6374757265.