PT - JOURNAL ARTICLE AU - W Himmel AU - M M Kocken TI - Reasons for drug changes implemented by secondary care. DP - 1997 Dec 01 TA - British Journal of General Practice PG - 839--839 VI - 47 IP - 425 4099 - http://bjgp.org/content/47/425/839.short 4100 - http://bjgp.org/content/47/425/839.full SO - Br J Gen Pract1997 Dec 01; 47