TY - GEN AU - Crofts,S L AU - Fraser,C G AU - Skipsey,I G AU - Webster,R E TI - Anxiety before operation and serum potassium SN - 0003-2409 PY - 1991///0304 KW - Anxiety KW - blood KW - Humans KW - Potassium KW - Surgical Procedures, Operative KW - Time Factors N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1111/j.1365-2044.1990.tb14941.x ER -