Sentence examples for many were limited from inspiring English sources

While these data are integrated in the ventilators' interface development by manufacturers, and while ergonomics are as essential as technical performances, very few studies have assessed the ergonomics, and many were limited to timed tasks and subjective evaluation [13 15].

Early interventions with female sex workers (FSWs) typically relied on individual behaviour change involving peer education, condom promotion and provision of sexual health services [ 5], and many were limited in scale [ 6].

Studies of PCB-exposed workers have generally found excesses for several cancer sites, but many were limited by sample size, imprecision in measuring PCB exposure, and/or inability to control for other risk factors and confounders (Carpenter 2000; Faroon et al. 2001).

These studies have done an outstanding job of clarifying the phylogeny and taxonomy of these groups, but many were limited in some ways by the number of characters and taxa that they sampled (and which were available at the time for sequencing).

The exceptions and loopholes were so subjective, the court said, that they raised "grave concerns under the First Amendment," and confused broadcasters to the point that many were limiting important expression out of fear of heavy fines.

Despite considerable progress in the field of unification, none of the uniform rules is really worldwide in scope, many being limited to a continent or to narrower regional groups such as the countries of the European Union or the Southern African Development Community.

Alibaba's digital wallet Alipay also offers a plethora of public services, though many are limited to payments.

Although a number of approaches for wheelchair monitoring are currently present in the literature, many are limited in the data they provide.

While a number of comparative genomic tools exist, many are limited to the analysis of two genomes.

Most research studies of sleep in ASD are cross-sectional, and many are limited by small sample sizes and retrospective recall of sleeping patterns.

9 However, most research studies are cross-sectional and many are limited by small sample size, retrospective recall of sleeping patterns, lack of agreed definitions of sleep disorders and mixed comparison groups.