TY - RPRT TI - Long-term studies on immunoreactive human melatonin. AU - J Arendt AU - A Wirz-Justice AU - J Bradtke AU - M Kornemark PY - 1979 DO - 10.1177/000456327901600182 UR - https://pubmed.ncbi.nlm.nih.gov/539790/ ID - 539790 ER -