Sentence examples for been documented previously when from inspiring English sources
Optic neuropathy has been documented previously when patients have been undergoing 5-FU treatment, with four identified cases of optic disc oedema and associated optic neuropathy in the setting of continuous 5-FU infusion [ 5- 8].
"It's not been documented previously that bacterial genes got into the human genome.
This process has not been documented previously.
The performance of the scanner has been documented previously [22].
Some of these landforms have been documented previously in association with jökulhlaups.
Details have been documented previously.
Such behavior has been documented previously [ 7].
Outbreaks of H5 AIV have been documented previously in Texas.
Similar observations of reusability have been documented previously [ 13].
In addition, CO dehydrogenase activity had been documented previously [ 13].
The details of data collection have been documented previously (5).
