@article{marx_maia_1985, 
  title={Determination of fat soluble vitamins from amazonian fresh-water fishes. I. HPLC analysis of tambaqui, pirarucu and cuiu-cuiu livers .}, 
  volume={15}, 
  DOI={10.1590/1809-43921985152191}, 
  abstractNote={<jats:p>It was found that fish livers from the Amazon have considerable amounts of vitamins A, D and E compared with the values of the standartized cod-liver oil. Tambaqui liver oil has high concentration of vitamin A1(retinol) and vitamin A2 (degidroretinol) whereas the liver oils of pirarucu and cuiu-cuiu have preferently the vitamin A2. The contents of the vitamins D and E observed in the liver oils of tambaqui and cuiu-cuiu was extremely high.</jats:p>}, 
  number={1-2}, 
  publisher={FapUNIFESP (SciELO)}, 
  author={Marx and Maia}, 
  year={1985}
  }