[Increase in the blood level by a combination of tetracycline and chlortetracycline after oral administration].
D000284:Administration, Oral; D000900:Anti-Bacterial Agents; D002751:Chlortetracycline / Q000097:blood*; D006801:Humans; D013752:Tetracycline / Q000097:blood*
D000900:Anti-Bacterial Agents; D013752:Tetracycline; D002751:Chlortetracycline
CHLORTETRACYCLINE/blood; TETRACYCLINE/blood