O. H�pp�l�

Histamine-immunoreactive cells in the superior cervical ganglion and in the coeliac-superior mesenteric ganglion complex of the rat

O. H�pp�l�, Seppo Soinila, H. P�iv�rinta et al. · Histochemistry and Cell Biology · 1985 · 31 citations

Ganglion Cell, Superior Cervical Ganglion, Neuroanatomy +6

Distribution of neuropeptides in the porcine stellate ganglion

O. H�pp�l�, M. Lakom, Mariusz Majewski et al. · Cell and Tissue Research · 1993 · 24 citations

Ganglion Cell, Neuropeptides, Neuroanatomy +9

The sympathetic and parasympathetic nature of neuropeptide Y-immunoreactive nerve fibres in the major salivary glands of the rat

Troy D. Schultz, Reetta Tolonen, O. H�pp�l� et al. · The Histochemical Journal · 1994 · 18 citations

Neuropeptides, Neurophysiology, Neuroanatomy +12

Localization of l-glutamate decarboxylase immunoreactivity in the major pelvic ganglion and in the coeliac-superior mesenteric ganglion complex of the rat

Tuula Karhula, O. H�pp�l�, Tong H. Joh et al. · Histochemistry and Cell Biology · 1988 · 12 citations

Major Pelvic Ganglion, Neuroanatomy, Synaptic Transmission +10