PT - JOURNAL ARTICLE AU - R B Maxwell AU - J P Toby TI - 24-hour cover: time for reappraisal. DP - 1993 Jun 01 TA - British Journal of General Practice PG - 226--227 VI - 43 IP - 371 4099 - http://bjgp.org/content/43/371/226.short 4100 - http://bjgp.org/content/43/371/226.full SO - Br J Gen Pract1993 Jun 01; 43