His research ties Myeloproliferative Disorders and Internal medicine together. His research on Incubation frequently links to adjacent areas such as Biochemistry. Many of his studies involve connections with topics such as Incubation and Biochemistry. Nicholas C.P. Cross merges Acrosome reaction with Sperm in his study. In his papers, Nicholas C.P. Cross integrates diverse fields, such as Sperm and Sperm motility. In his works, he conducts interdisciplinary research on Sperm motility and Acrosome reaction. His study brings together the fields of Cholesterol and Endocrinology. The study of Cholesterol is intertwined with the study of Endocrinology in a number of ways. His study on Andrology is mostly dedicated to connecting different topics, such as Capacitation.