706
Vampires rule
(slrpnk.net)
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
Safely, you can donate about 400ml of whole blood at a time with six weeks between donations. I could donate a liter of plasma (the goop between the cells) every four weeks, but that was done via apheresis.
Yeah I know. I'm open for ~~repertoire~~ repeat appointments :D