<Tr> <Td> Vitamin B </Td> <Td> beriberi </Td> <Td> </Td> </Tr> <Tr> <Td> Vitamin B </Td> <Td> cracking of skin and corneal unclearation </Td> <Td> </Td> </Tr> <Tr> <Td> Niacin </Td> <Td> pellagra </Td> <Td> dyspepsia, cardiac arrhythmias, birth defects </Td> </Tr> <Tr> <Td> Vitamin B </Td> <Td> pernicious anemia </Td> <Td> </Td> </Tr>

Where is vitamin a found in the human body