title: [The relation of hypotensive effects of nifedipine and clonidine and changes in platelet-free calcium and serum-free calcium in essential hypertension].
authors.forename: S
authors.initials: S
authors.lastname: Chen
authors.forename: G S
authors.initials: GS
authors.lastname: Zhao
authors.forename: J Z
authors.initials: JZ
authors.lastname: Guo
mesh_terms: D000328:Adult; D000368:Aged; D001792:Blood Platelets / Q000378:metabolism*; D002118:Calcium / Q000097:blood*; D003000:Clonidine / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D006973:Hypertension / Q000097:blood / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D009543:Nifedipine / Q000627:therapeutic use*
chemical_list: D009543:Nifedipine; D003000:Clonidine; D002118:Calcium