Sentence examples for is observed less often from inspiring English sources

Compared with silicon stents, the prolonged use of metal stents is observed less often because their removal is more difficult.

This classic presentation is well-known, but is observed less often since the start of immunization [ 4].

The classic presentation of pertussis is well-known, but is observed less often since start of immunization.

On the other hand, the E2 gene, which is most commonly expressed [ 18, 19], is observed less often in randomly sequenced genes [ 15] and is present as a single copy in the sequenced cluster.

Metamorphlings are divided in roughly equal numbers between males and females, while juvenile frogs are observed less often than their mature counterparts, although scientists are not sure whether this is due to lower abundance or increased reclusiveness.

Although FM4-64 was internalized efficiently, many age3Δ cells showed bright fluorescent spots in the cytoplasm or irregular structures (even at later time points) which was observed less often in cells of the wild-type and reintegrant strains (Fig. 3A and 3B).

Bleeding, gastrointestinal perforations, and wound healing complications were observed less often [ 23].

Leucopoenia was observed less often (22%) and grade 3 4 anaemia significantly more frequent (21%).

In medium and large arteries, atheromas and fibrosis are observed less often, resulting in stenosis.

Free rears were observed less often but still present to a considerable extent (26.8 ± 3.2%).

Diarrhoea (2%) was observed less often relative to other series (3 10%).