Authors: Maldonado, R Severini, C Matthes, HWD Kieffer, BL Melchiorri, P Negri, L

Citation: R. Maldonado et al., Activity of mu- and delta-opioid agonists in vas deferens from mice deficient in MOR gene, BR J PHARM, 132(7), 2001, pp. 1485-1492

Authors: Negri, L Melchiorri, P Lattanzi, R

Citation: L. Negri et al., Pharmacology of amphibian opiate peptides, PEPTIDES, 21(11), 2000, pp. 1639-1647

Authors: Mollay, C Wechselberger, C Mignogna, G Negri, L Melchiorri, P Barra, D Kreil, G

Citation: C. Mollay et al., Bv8, a small protein from frog skin and its homologue from snake venom induce hyperalgesia in rats, EUR J PHARM, 374(2), 1999, pp. 189-196

Authors: Negri, L Broccardo, M Lattanzi, R Melchiorri, P

Citation: L. Negri et al., Effects of antisense oligonucleotides on brain delta-opioid receptor density and on SNC80-induced locomotor stimulation and colonic transit inhibition in rats, BR J PHARM, 128(7), 1999, pp. 1554-1560