Cerebrospinal fluid collection
![](https://bpb-us-w2.wpmucdn.com/sites.wustl.edu/dist/0/929/files/2017/07/csf.jpg)
Serial Collection can be achieved via brain cannula implant. Yields of 10-15ul can be achieved bi-monthly. See brain cannula implant for costs.
Terminal Collection: Normal yield of 10-15ul. Cost $45 before Hope Center member subsidy.