الفترة:
Subjects: Chemistry; Copper; Zinc
Subjects: Crataegus; Fenugreek; Flavonoids; Medicinal plants; Palestine
Subjects: Furosemide; Lead compounds; Nitrogen
Subjects: Groundwater; Hebron; Sanitation; Water pollution
Subjects: Hebron; Palestine; Environmental aspects; Management
Subjects: Zinc; Nitrogen
Subjects: Organic chemistry