Range:
Subjects: Aden; Kidneys; Yemen; Diseases; Patients
Subjects: Aden; Yemen; Diagnosis
Subjects: Aden; Yemen; Diagnosis; Diseases; Epidemiology
Subjects: Education; Higher education; Learning; Pediatrics; Yemen
Subjects: Obstetrics; Yemen
Subjects: Cancer; Liver; Yemen; Diagnosis; Hepatitis C
Subjects: Yemen; Coffee; Economic aspects
Subjects: Education; Woman; Yemen; English language
Subjects: Absorption; Adsorption; Heavy minerals; Red Sea Coast; Yemen
Subjects: Aden; Malaria; Yemen
Subjects: Mahrah (City); Yemen; Botany; Plant diversity
Subjects: Aden; Cancer; Yemen; Epidemiology; Hepatitis C
Subjects: Aden; Cancer; Yemen
Subjects: Arabian Gulf; International relations; Yemen; Foreign policy
Subjects: Sana'a; Yemen; Diagnosis
Subjects: Marine sediments; Red Sea Coast; Yemen; Hydrocarbons
Subjects: Yemen
Subjects: Education; Higher education; Learning; Yemen; Critical thinking
Subjects: Cancer; Yemen; Diseases; Surgery
Subjects: Breast; Cancer; Hadramawt; Yemen; Population
Subjects: Taizz; Yemen; Drinking water
Subjects: Dhamar; Soils; Yemen; fungi
Subjects: Enzymes; Taizz; Yemen
Subjects: Education; Learning; Sana'a; Yemen; Mathematics
Subjects: Sana'a; Woman; Yemen; Abortion; Diseases
Subjects: Education; Learning; Yemen; English language
Subjects: Yemen; Environmental aspects; Harbours
Subjects: Aminobenzoic acids; Analgesics; Yemen; Drugs
Subjects: Yemen; Diseases
Subjects: Aden; Blood cells; Malaria; Yemen; Patients
Subjects: Breast; Cancer; Suckling; Yemen
Subjects: Aden; Yemen
Subjects: Medical care; Pregnant woman; Yemen
Subjects: Aden; Congenital malformations; Yemen; Genetic aspects; Surgery
Subjects: Throat; Yemen; Diseases
Subjects: Cancer; Yemen; Environmental aspects; Fishes
Subjects: Yemen; Diabetes; Diseases; Heart; Patients
Subjects: Lungs; Yemen; Diseases; Patients; Tuberculosis
Subjects: Blood donors; Yemen
Subjects: Aden; Blindness; Pathogens; Pathology; Yemen
Subjects: Pathogens; Pathology; Yemen; Students; Universities
Subjects: Aden; Angina; Thorax; Yemen; Diseases
Subjects: Brain; Mind; Yemen; Neoplasms; Patients
Subjects: Aden; Pathogens; Pathology; Yemen; Type 2 diabetes
Subjects: Intestines; Yemen; Patients
Subjects: Aden; Yemen; Patients