title: [Changes of serum Potassium in patients with oral and maxillofacial neoplasms after operation]
authors.affiliation: Department of Dentistry,First Affiliated Hospital,Anhui Medical University. Hefei 230022, China.
authors.forename: L D
authors.initials: LD
authors.lastname: Zhang
authors.forename: Z S
authors.initials: ZS
authors.lastname: Chen