Software that could tabulate the number of times an author cites another author
I would like to find software that could allow me to count each time an author, or group of authors, cite another author, or other groups of authors.
There is a particular problem in an area of science where we have authors cherry picking through the scientific literature to find people who only agree with them. These individuals are known to be involved with pharmaceutical companies. We know the "cherry picking" is happening, but it is desirable to produce numbers or diagrams showing the connection between these researchers, compared to the global universe of researchers publishing in this field and the diversity of findings.
This clique of authors claim to be "unbiased." I believe a formal study, if it is possible to do, would prove this false. It is particularly important because it involves issues of direct patient care.
Is anyone aware of software with this kind of capability?