Unsaturated Polyhydroxy Acids having Prostaglandin-Like Activity from Bryonia alba II. Major Components - Panossian, A G; Avetissian, G M; Mnatsakanian, V A; Batrakov, S G; Vartanian, S A; Gabrielian, E S; Amroyan, E A (Planta Medica, 1983)