TY - RPRT TI - Hydroxyurea derivatives: 1-hydroxybiuret and 3-hydroxybiuret. AU - G R Gale AU - A B Smith AU - J B Hynes PY - 1968 DO - 10.3181/00379727-127-32907 UR - https://pubmed.ncbi.nlm.nih.gov/5690321/ ID - 5690321 ER -