PT - JOURNAL ARTICLE AU - S. N. Tewari AU - M. M. Gupta TI - A comparison of the erythromycin estolate and tetracycline in the treatment of respiratory tract infections. DP - 1970 Aug 01 TA - The Journal of the Royal College of General Practitioners PG - 120--123 VI - 20 IP - 97 4099 - http://bjgp.org/content/20/97/120.short 4100 - http://bjgp.org/content/20/97/120.full SO - J R Coll Gen Pract1970 Aug 01; 20