TY - GEN AU - Cox,B M TI - Opioids at Cape Cod SN - 0028-0836 PY - 1982///1012 KW - Animals KW - Endorphins KW - physiology KW - Mice KW - Rats KW - Receptors, Opioid N1 - Publication Type: News UR - https://doi.org/10.1038/298790a0 ER -