title: Application of orthogonal functions to spectrophotometric analysis. The combined polynomial method.
mesh_terms: D002738:Chloroquine / Q000032:analysis; D008433:Mathematics; D008722:Methods; D012457:Salicylamides / Q000032:analysis; D013053:Spectrophotometry
chemical_list: D012457:Salicylamides; D002738:Chloroquine