According to material provided in a study's literature review section, the current investigation is expanding upon earlier studies that have demonstrated a connection between symptom management and quality of life.
By citing these two minor studies, the researcher is indicating that the current study is a logical continuation of earlier research and acknowledging the body of knowledge in the topic.
This information also emphasises the need for additional study to support and build upon the results of the earlier investigations. In order to strengthen the evidence basis, the current study intends to evaluate the connection between symptom management and quality of life in greater detail using a larger sample size or a new technique.