The phrase "additional rigorous" is not correct in standard written English.
It seems to be a combination of two adjectives that should be used separately or in a different structure.
Example: "The study requires additional rigorous testing to ensure accuracy."
Alternatives: "further rigorous" or "extra rigorous".
Additional rigorous testing would of course be needed to guarantee a mean time before failure (MTBF) and to demonstrate the efficacy of the proposed design techniques over statistically significant production quantities.
Although a few included studies were from middle-income countries (China and Iraq), the potential value of additional rigorous data on injury risk in children with disabilities from developing countries should not be ignored.
5 These issues highlight the pressing need for additional rigorous accreditation research, which has prompted calls to strengthen the evidence base.
Additional rigorous assessments are still needed, but there appears to be an overall benefit to appropriately-targeted psychotherapy in war and other humanitarian crises [ 6, 12, 22, 23].
Additional rigorous research is needed to better document causality and determine the effectiveness of specific remediation strategies (Sauni et al. 2011).
While additional rigorous assessments are still needed, there appears to be an overall benefit of appropriately targeted psychotherapy in war and other humanitarian crises [ 4, 9, 21- 23].
Additional large, rigorous studies examining the benefits and risks of antipsychotics in children and adolescents are needed.
Additional, more rigorous filtering was applied in haplotype-based analyses that are especially sensitive to the relationship between physical and genetic map positions.
Additional scientifically rigorous studies with accurate descriptions of cases similar to those in the article by Hall and colleagues [ 1] are required before prophylaxis or extensive therapeutic indications of antifungal agents in SAP can be proposed.
Cabernet Sauvignon (CS) pericarp tissue, an additional, more rigorous approach to the parsing of the CS ESTs was carried out in order to reduce or eliminate the potential for subsequent assembly of paralogous CS sequences into invalid contigs, thereby striving to strengthen the validity of protein identification in our iTRAQ experiments.
However, we think would be better if we conduct an additional and more rigorous study regarding this point.
