Mean pharmacokinetic parameter values of RFP obtained for formulations A , B , C , and D products were @ @ g/ml , @ @ g/ml , @ @ g/ml , and @ @ g/ml , respectively , for peak plasma concentration ( C max ) , @ @ gh-@ml-@ , @ @ gh-@ml-@ , @ @ gh-@ml-@ , @ @ gh-@ml-@ , respectively , for area under the concentration-time curve ( AUC @-@ h ) .