{
    "PMID": "10393893",
    "TI": "The mu opiate receptor as a candidate gene for pain: polymorphisms, variations in expression, nociception, and opiate responses.",
    "JT": "Proceedings of the National Academy of Sciences of the United States of America",
    "BTI": "",
    "DP": "1999-07-06",
    "AU": "Uhl G R, Sora I, Wang Z"
}