A Comparison of Serum Antibiotic Concentrations Achieved in Calves: with Intratracheal Administration of Procaine Penicillin G, Ampicillin Trihydrate, Tylosin, Oxytetracycline Hydrochloride, Chloramphenicol, Chloramphenicol Sodium Succinate, Dihydrostreptomycin Sulfate and Neomycin Sulfate with Those Achieved with Intravenous, Intramuscular and Subcutaneous Administration. Bov. pract. 1979;1979(14):18-26. doi:10.21423/bovine-vol1979no14p18-26