title: The role of nerve growth factor in the ramification of sympathetic nerve fibres into the rat iris in organ culture.
mesh_terms: D000818:Animals; D000906:Antibodies; D007498:Iris / Q000294:innervation* / Q000378:metabolism; D009414:Nerve Growth Factors; D009638:Norepinephrine / Q000378:metabolism; D009924:Organ Culture Techniques; D011863:Radioimmunoassay; D051381:Rats; D013564:Sympathetic Nervous System / Q000254:growth & development*; D014316:Tritium
chemical_list: D000906:Antibodies; D009414:Nerve Growth Factors; D014316:Tritium; D009638:Norepinephrine