PT - JOURNAL ARTICLE AU - F. O. Wells TI - Prescribing barbiturates: drug substitution in general practice. DP - 1973 Mar 01 TA - The Journal of the Royal College of General Practitioners PG - 164--167 VI - 23 IP - 128 4099 - http://bjgp.org/content/23/128/164.short 4100 - http://bjgp.org/content/23/128/164.full SO - J R Coll Gen Pract1973 Mar 01; 23