<正>Case History Ms Zhang, 21 years old, an actress of a song and dance troupe, paid her first visit on Oct. 10, 2005, with the chief complaint of a foreign bo
The basic level of methionin-enkephalin(MEK)in rat medulla oblongata plus pons was the highestat 05:00 o’clock and the lowest at 23:00.In bothhypothalamus and