Common causes of<unk>  deficiency include gastrointestinal conditions, including malabsorption syndrome and other diseases obstructing<unk>  absorption. Oncological causes, including leukemia, stomach cancer, and liver cancer are life threatening and should be promptly differentiated and diagnosed.
Folate deficiency causes
Iron deficiency anemia causes
Lead poisoning causes
Folate deficiency other diagnostic studies
Vitamin B12 deficiency causes
Glucose-6-phosphate dehydrogenase deficiency risk factors
Sideroblastic anemia risk factors
Hemolytic anemia causes