Assertion: methamphetamine | /r/HasProperty | ma
Facets:
Source sentences:
text: Methamphetamine (MA), a variant of amphetamine, was first synthesized in Japan in 1893 by Nagayoshi Nagai from the precursor chemical ephedrine.
text: Chomchai C, Chomchai S, Kitsommart R. Transfer of methamphetamine (MA) into breast milk and urine of postpartum women who smoked MA tablets during pregnancy: