TY - GEN TI - Progress in sleep SN - 0028-4793 PY - 1987///0601 KW - Acetylmuramyl-Alanyl-Isoglutamine KW - pharmacology KW - Adenosine KW - Animals KW - Sleep KW - drug effects N1 - Publication Type: Letter UR - https://doi.org/10.1056/NEJM198705143162013 ER -