. "Proto\u017Ee se sildenafil (a\u00A0jeho hlavn\u00ED cirkuluj\u00EDc\u00ED N-desmetylov\u00FD metabolit) z\u00A096\u00A0% v\u00E1\u017Ee na plazmatick\u00E9 proteiny, je jeho pr\u016Fm\u011Brn\u00E1 maxim\u00E1ln\u00ED koncentrace voln\u011B v\u00A0plazm\u011B 18\u00A0ng/ml (38\u00A0nM)."@cs . . . "26769"^^ . . "26951"^^ . "2"^^ . . .