Effects of co-administration of methanol leaf extract of Catharanthus roseus on the hypoglycemic activity of metformin and glibenclamide in rats

https://www.researchgate.net/publication/337330643_Effects_of_co-administration_of_methanol_leaf_extract_of_Catharanthus_roseus_on_the_hypoglycemic_activity_of_metformin_and_glibenclamide_in_rats_Asian_Pacific_Journal_of_Tropical_Medicine