The phrase "also quite frequent" is correct and usable in written English.
It can be used to indicate that something occurs often in addition to other mentioned occurrences.
Example: "In addition to the common symptoms, headaches are also quite frequent among patients."
Alternatives: "also fairly common" or "also rather prevalent".
Karst).. Scots pine (Pinus sylvestris L). was also quite frequent and there were some scattered broadleaves, in particular birch (Betula pubescens Ehrh).
We nonetheless notice that convergent evolution is also quite frequent and concerns nearly all types of microscleres (amphiasters, toxas, sanidasters, euasters, aspidasters, microrhabds and possibly microxeas) and megascleres (short- and long-shafted triaenes, discotriaenes, phyllotriaenes, anatriaenes, calthrops).
Sequencing, assembly and annotation errors are also quite frequent.
Karst).. Scots pine (Pinus sylvestris L). was also quite frequent and there were some scattered broadleaves, in particular birch (Betula pubescens Ehrh).
Gastrointestinal symptoms were also quite frequent and were reported by 12 patients in the etifoxine group and 8 in the alprazolam group.
The PON1 192Q and PON1 -108T alleles are also quite frequent in Caucasian populations (73% Q, 62% T) but much less so in African-American populations (27% Q, 15% T) (Chen et al. 2003).
Also to be remembered, complications are quite frequent after discharge following various neurosurgical procedures.
Also, paranoid ideation or dissociative symptoms were quite frequent (68.4%) in this group.
On the other hand a quite frequent symptom like "back pain" was also excluded because the correlation with the overall scale was low, meaning that its pattern of variation did not follow the overall scale pattern.
There is also less rainfall, although at Toulouse great summer storms are quite frequent.
This possibility is quite frequent during the initial time of degradation and also when two time constants are distinguishable in the plot, as shown in the presented experimental results.
