- Efficacy of ceftriaxone and gentamicin given once a day by using human-like pharmacokinetics in treatment of experimental staphylococcal endocarditis. Gavaldà, J., López, P., Martín, T., Gomis, X., Ramírez, J.L., Azuaje, C., Almirante, B., Pahissa, A. Antimicrob. Agents Chemother. (2002)