(1964). The Symbiotic Specialization of African Trifolium Spp. in Relation to their Taxonomy and their Agronomic Use. East African Agricultural and Forestry Journal: Vol. 29, No. 3, pp. 214-235.
No takes yet. Share an insight, caveat, or question.
Norris et al. (1964) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: