The phrase "a sole method of" is correct and usable in written English.
It can be used when emphasizing that there is only one way to achieve something or to do a particular task.
Example: "The research concluded that there is a sole method of achieving optimal results in this experiment."
Alternatives: "the only way to" or "a unique approach to".
Yet, little research has been undertaken into its impact as a sole method of delivery and effectiveness for imparting new knowledge or skills.
It's not quite ready to be a sole method of release, but it's really just a matter of time before that comes to pass, too.
According to herpetologists who study the Solomon Islands skink, such as Dr. David Kirkpatrick and Dr. Kevin Wright, captive breeding alone is not practical as a sole method of species survival due to the limited number of offspring and long gestation periods.
Surveys that rely on self-reporting have limitations as a sole method of data collection.
The use of focus groups as a sole method of data collection has been discouraged due to the potential of missing important issues that participants might not raise in front of others [ 39].
Surprisingly, in the era of minimally invasive medicine, regional anesthesia has not gained popularity and has not been routinely used as a sole method of anesthesia in laparoscopic procedures.
Besides this, the application of immunostaining as a sole method to detect proteins proved to be unreliable, especially if potential candidates may be present not in the native state, but in their amyloid form [25].
Despite a series of important changes in expression and localization of AT1 that we found to be associated with disease progression, our study has limitations including low numbers of prePD patients (n = 3) and use of immunohistofluorescence as a sole method for AT1 quantification.
Report treatment results of periprosthetic femoral fractures adjacent or at the tip of a stable femoral stem (Vancouver Type B1) using a locked compression plate as the sole method of fracture stabilisation.
Historical experience, in Nielsen's view, tells us that terrorism on a small scale, used as the sole method of struggle in order to provoke the masses into revolutionary action, is ineffective and often counterproductive.
The Florida legislature responded to the execution not by eliminating the electric chair but by passing a law affirming it as the state's sole method of execution.
