| http://www.w3.org/ns/prov#value | - Cholinergic communication and regulation have been established from the beginning of life; that is, in primitive uni- and multicellular organisms such as bacteria, algae, protozoa, sponge and primitive plants and fungi (Wessler et al., 1999; 2001a, 2003a; Horiuchi et al., 2003).
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