. . . . "Chemistry and biochemistry of folates" . . "Folates and pterins : nutritional, pharmacological, and physiological aspects" . . . . . "Folates and pterins" . . "Folates and pterins"@en . . . . . . . . . . . . . . "Chemistry and biochemistry of pterins" . . . . . "Pterins." . . "Pterines." . . "Ptéridines." . . "Pteridines." . . . "Acide folique Dérivés." . . "Folate." . . "Folic Acid." . . "Pteridine." . .