Assertion: arsenic's effect | /r/HasProperty | reported by mermet’s group
Facets:
value: in 1991
type: TEMPORAL
Source sentences:
text: The effect was first reported by Mermet’s group in 1991  and shown by Larsen and Sturup in 1994  to be a benefit in the determination of arsenic (and selenium) species by HPLC-ICP-MS.