TY - RPRT TI - Blood-brain barrier studies in man using the double-indicator method. AU - N A Lassen AU - J Trap-Jensen AU - S C Alexander AU - J Olesen AU - O B Paulson PY - 1971 DO - 10.1152/ajplegacy.1971.220.6.1627 UR - https://pubmed.ncbi.nlm.nih.gov/4996636/ ID - 4996636 ER -