Which DC/Marvel superhero, if they turned evil, would be the largest threat to their Earth assuming the other heroes stay good? - Quora
What is the serum that Superman has invented to give a normal human a power like Kryptonians? - Quora
What is the serum that Superman has invented to give a normal human a power like Kryptonians? - Quora
![Hematologic trends in (A) packed cell volume (PCV) and (B) serum total... | Download Scientific Diagram Hematologic trends in (A) packed cell volume (PCV) and (B) serum total... | Download Scientific Diagram](https://www.researchgate.net/publication/232225195/figure/fig2/AS:300535489024007@1448664652782/Hematologic-trends-in-A-packed-cell-volume-PCV-and-B-serum-total-solids-for-the.png)