Does book slang have you scratching your head? If you have no idea what "TBR meaning" is all about, brush up on these fun terms and acronyms commonly used in Book World. Every subculture has its ...

Positive lupus anticoagulant test. Positive anticardiolipin antibody (aCL) IgG or IgM. Positive anti-Beta-2-glycoprotein-I antibody (aβ2GPI) IgG or IgM. Spontaneous death of fetus due to any cause ...