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Ultrastructural evidence for the existence of actinorhizal symbioses in the late PleistoceneBaker, Dwight; Miller, Norton G. · Canadian Journal of Botany · 1980
Ultrastructural evidence for the existence of a direct hypothalamic-vagal descending pathwayIldar G. Akmayev; Olga V. Vikhreva; Liya K. Konovalova · 1981
Ultrastructural evidence for the existence of steroid synthesizing cells in the ovary of the starfish,Asterias rubens(Echinodermata)H. J. N. Schoenmakers; P. H. J. M. Colenbrander; J. Peute · 1977
Ultrastructural evidence for the existence of two types of neurosecretory cells in the abdominal ganglia of the chelicerate arthropod, Limulus polyphemusWilliam S. Herman; Doris M. Preus · 1973