
Keywords: BH4; tetrahydrobiopterin; BP; biopterin; i.pl.; intraplantarily; L-NAME; NÏ-Nitro-l-arginine methyl ester hydrochloride; L-NNA; NÏ-Nitro-L-arginine; NO; nitric oxide; NOS; nitric oxide synthase; PGE2; prostaglandin E2; TRPV; transient receptor potential