Contains more recently updated information:"ELBI – Elsevier BIOBASE". DataStar Datasheets. Archived from the original on 2011-09-30. Retrieved 2011-06-13.
Contains more recently updated information:"ELBI – Elsevier BIOBASE". DataStar Datasheets. Archived from the original on 2011-09-30. Retrieved 2011-06-13.