TY - GEN AU - Sánchez del Río,M TI - [Experimental headache models] SN - 0213-4853 PY - 2004///0701 KW - Animals KW - Brain KW - drug effects KW - Migraine Disorders KW - chemically induced KW - Models, Theoretical KW - Nitroglycerin KW - pharmacology N1 - Publication Type: Comment; Letter ER -