Variation by groups of serum levels of renal function parameters: (a) Creatinine, (b) Urea, (c) (BUN) blood urea nitrogen by groups. Notes: The circles represent the individual values, and the horizontal line is given by the median. Abbreviations: C, Control; G, Gentamicin; GCC1, Gentamicin and CC1 solution; GCC2, Gentamicin and CC2 solution; GLCC1, Gentamicin and LCC1 solution; GLCC2, Gentamicin and LCC2 solution; The letter codes correspond to the p-values < 0.006: a G compared to C; b G compared to GCC1; c G compared to GCC2; d G compared to GLCC1; e G compared to GLCC2; A GCC1 compared to GCC2; B GCC1 compared to GLCC1; X GCC2 compared to GLCC2; α GLCC1 compared to GLCC2.