Wondering why it's lingered in the .50's Walker deserves them, he will go down in history for his work in critical care and in particular his role in defining the impact of endotoxemia in the critically ill.
One day, maybe 3, possibly a week or 2....bottom line, this will make you a whack of dough - IMHO
https://canadianinsider.com/node/7?menu_tickersearch=sdi Schemer
PS - Dubbayah - 2 heads or multiple tales ?