TY - RPRT TI - A multiple chamber exposure unit designed for chronic inhalation studies. AU - L J LEACH AU - C J SPIEGL AU - R H WILSON AU - G E SYLVESTER AU - K E LAUTERBACH PY - 1959 DO - 10.1080/00028895909343660 UR - https://pubmed.ncbi.nlm.nih.gov/13626827/ ID - 13626827 ER -