title: [A comment on the evolution of urea cycle (author's transl)].
mesh_terms: D000818:Animals; D001120:Arginine / Q000494:pharmacology; D005075:Biological Evolution; D006801:Humans; D051379:Mice; D051381:Rats; D014508:Urea / Q000378:metabolism*
chemical_list: D014508:Urea; D001120:Arginine