Singh, S. R., Sullo, N., Matteis, M., Spaziano, G., McDonald, J., Saunders, R., Woodman, L., Urbanek, K., De Angelis, A., De Palma, R., Berair, R., Pancholi, M., Mistry, V., Rossi, F., Guerrini, R., Calò, G., D'Agostino, B., Brightling, C. E., & Lambert, D. G. (n.d.). nociceptin/orphanin FQ (N/OFQ) modulates immunopathology and airway hyperresponsiveness representing a novel target for the treatment of asthma. British journal of pharmacology, 173, 1286–1301. http://access.bl.uk/ark:/81055/vdc_100031506828.0x000058