The phrase 'within few weeks' is correct and can be used in written English.
For example, "The renovations will be completed within few weeks."
In spite of initiation on HAART, our patient died within few weeks of diagnosis.
As an indirect measurement of disease burden, PSA and bone scan lesions are known to increase temporarily within few weeks of response to an effective therapy.
He began that process within few weeks of EPR, in the June 19 letter to Schrödinger, and continued it in an article published the following year (Einstein 1936).
Acute PTH following mild head injury often resolves within few weeks, therefore the major category of PTH patients is represented by those who complain of chronic PTH that may add this symptom to the burden of TBI sequelae for years.
N. furzeri displays rapid growth and sexual maturation, since ponds dry up within few weeks.
The N1v assay was introduced into our diagnostic routine after a regular validation on the above mentioned material as well as all available H1v-positive samples within few weeks after the emergence of A(H1N1)v.
