title: A defense of the middle molecule hypothesis.
mesh_terms: D000818:Animals; D001001:Anura; D002850:Chromatography, Gel; D006801:Humans; D011115:Polyneuropathies / Q000097:blood / Q000209:etiology; D011817:Rabbits; D006435:Renal Dialysis; D014118:Toxins, Biological / Q000097:blood*; D014511:Uremia / Q000097:blood* / Q000150:complications
chemical_list: D014118:Toxins, Biological