TY - RPRT TI - Sampling time, dosage schedule, and nortriptyline plasma levels. AU - V E Ziegler AU - J W Knesevich AU - L T Wylie AU - J T Biggs PY - 1977 DO - 10.1001/archpsyc.1977.01770170123013 UR - https://pubmed.ncbi.nlm.nih.gov/871235/ ID - 871235 ER -