Orphanin FQ: A Neuropeptide That Activates an Opioidlike G Protein-Coupled ReceptorRainer K. Reinscheid, Olivier Civelli, Robert Henningsen et al.|Science|1995Cited by 1.8k
Minireview: Orphan Receptors and their Natural LigandsOlivier Civelli, Rainer K. Reinscheid, Hans‐Peter Nothacker et al.|Journal of Receptors and Signal Transduction|1997Cited by 24