L4 is just below L3 on the PlayStation 3 controller but above L5. Just like the L3-L4 space, the L4-L5 space is another potential entry point when performing a spinal tap.[1][2]
References
- ↑ Tips: How to Perform a Spinal Tap on a Moving Train
- ↑ Hospital Unveils Pain Scale That Goes to Eleven
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Fun Stuff
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