The phrase "are unique to certain" is correct and usable in written English.
It can be used to indicate that something is distinctive or specific to particular groups, categories, or situations.
Example: "These features are unique to certain species of birds, making them easily identifiable."
Alternatives: "are specific to certain" or "are exclusive to certain".
Since some items are unique to certain stores, labels and markings need to be removed to ensure they won't be presented for a return a second time.
All languages, including English, have mass-classifiers, but count-classifiers are unique to certain "classifier languages", and are not a part of English grammar apart from a few exceptional cases such as head of livestock.
"Traditionally, the mugs are found throughout markets in Germany, and sometimes the shape, color and style are unique to certain cities... and can even resemble regional shapes like landmarks or pottery styles," says Maren Biester Priebe, vice president and managing director of German American Services, which runs Christkindlmarket Chicago.
As to why P. falciparum and P. vivax co-exist or are unique to certain study villages needs further study.
IRB members and reviewers need regular training about issues common to multiple types of studies, as well as those that are unique to certain fields.
Comparison of the signals from different strains reveals which genes are unique to certain classes of compounds, at what dose levels and time treatments".
Key informant interview data were analyzed using content analysis methods with the aim of identifying key themes, consensus viewpoints, and viewpoints of a minority (within groups) or that were unique to certain contexts or locations.
IPCS is unique to certain fungi, plants and protozoan parasites like Leishmania.
For example, larvae of An. gambiae often express visible characteristics such as collarless, red- stripe, and black diamond [ 18] which may be unique to certain strains.
Factor analysis in each health care provider group may also provide insight into subscales which may be unique to certain health care provider groups.
In most studies, specific groups of minerals have been reported to be present in the honey of different floral and geographical origins [ 1, 4– 7], indicating that certain types of honey can be unique to certain countries.
