Original sentence: Indeed, particularly in larger services, some paramedics undertake their own formal research projects or collaborate with other researchers in the medical community, leading to publication, as with the preceeding two references; both of which had paramedics in lead investigator roles
Edited sentence: Indeed, particularly in larger services, some paramedics undertake their own formal research projects or collaborate with other researchers in the medical community, leading to publication, as with the preceding two references; both of which had paramedics in lead investigator roles