Abby joins Ducky in the morgue to show him what she'd discovered about the body in question. The page on her clipboard is headed: Specimen Analsys Summary.
When Dr Brown needs magnesium Abby gives her a firestarter kit and tells her to crush the flint. However flint rods are made a combination of multiple metals, the least of which is magnesium.
Ducky palpates the victim's abdomen and states the mass is 'too large for a kidney or gallstone and too regular for a fibroid'; so he 'can't even speculate what that might be'. The victim is a male; fibroids occur in the uterus.