The phrase "an extensive group" is correct and usable in written English.
It can be used to describe a large or comprehensive collection of individuals or entities that share a common characteristic or purpose.
Example: "The conference attracted an extensive group of experts from various fields to discuss the latest advancements in technology."
Alternatives: "a large group" or "a broad group".
Jackson and Young are two out of an extensive group of London silversmiths who produced fashionable neoclassical work.
Alkaloids represent an extensive group of nitrogen-containing secondary metabolites that are widely distributed throughout the plant kingdom.
In addition, the sale includes an extensive group of elegant Art Nouveau opera posters by Alphonse Mucha, as well as grittier images dealing with political issues.
The more than five hundred lots also encompass an extensive group of contemporary prints, including several screen-print portfolios (Marilyn, Mao, and the electric chair) by Warhol.
Oral non-Hodgkin lymphomas (NHLs) are an extensive group of malignant lymphoid cell neoplasms that are the second most common group of oral cancers.
The transient receptor potential melastatin (TRPM) protein family is an extensive group of ion channels expressed in several types of mammalian cells.
Because dengue is a mosquito-borne disease, it necessarily will encompass a wide variety of entities in outbreak management and inclusion of a more extensive group of stakeholders than a disease not involving a vector.
Sexual entanglements develop into weighty partnering phrases that are, for the most part, generic; in a more extensive group number, dancers circle one another with a waft of hip-hop aggression.
A more extensive group of specimens was used for lip size covariate analysis (pooled for the two morphs: ♀ n = 106, ♂ n = 100, juveniles n = 77) and the plot of lip size by body size (thin-lipped n = 309, thick-lipped n = 71; Additional File 5, Additional File 6, Additional File 7).
Afterwards, they were randomly allocated to three different groups: a light multidisciplinary intervention group, an extensive multidisciplinary intervention group or a control group.
To gain a better understanding of current industry approaches for establishing biopharmaceutical drug product (DP) robustness, the BPDG-Formulation Point Share group conducted an intercompany collaboration exercise, which included a bench-marking survey and extensive group discussions around the scope, design, and execution of robustness studies.
