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Gastroenterology|September 1, 1983
Substance P-containing nerve fibers are numerous in human but not in feline intestinal mucosaE Brodin, K Sjölund, R Håkanson, et al.
The British Journal of Ophthalmology|March 1, 1997
Pituitary adenylate cyclase activating polypeptide and nitric oxide synthase are expressed in the rat ciliary ganglionT Elsäs, R Uddman, H Mulder, et al.
Experimental Eye Research|January 1, 1994
Neuronal pathways to the rat conjunctiva revealed by retrograde tracing and immunocytochemistryT Elsås, L Edvinsson, F Sundler, et al.
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