TY - RPRT TI - Occurrence and removal of pharmaceutically active compounds in sewage treatment plants with different technologies AU - Guang-Guo Ying AU - Rai S. Kookana AU - Dana W. Kolpin PY - 2009 DO - 10.1039/b904548a UR - https://pubs.usgs.gov/publication/70006007 ID - 70006007 ER -