sentence3 | SoMeSci

Property	Value
nif:beginIndex	0 (xsd:integer)
nif:broaderContext	sms:PMC2731885
nif:endIndex	62 (xsd:integer)
nif:isString	Sampling procedures have been described previously [20], [70].
rdf:type	nif:Context nif:OffsetBasedString nif:Sentence