Jednojezični primeri (nisu ih verifikovali PONS urednici)
engleski
The drug has been shown to increase the serum concentration or effects of theophylline, propranolol, and warfarin, although significant increase in prothrombin time is not obvious.
Guarana, a prime ingredient of energy drinks, contains large amounts of caffeine with small amounts of theobromine and theophylline in a naturally occurring slow-release excipient.
Most studies used analogues of the nucleotide substrates or derivatives of natural product inhibitors such as xanthine (e.g. theophylline) and papaverine.
