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--- a/contenido/20.html
+++ b/contenido/20.html
@@ -7,35 +7,59 @@
     background-attachment: fixed;
   }
 
-  ol > li {
+  ol>li {
     margin-bottom: 0.6rem;
   }
+
+  ol {
+    max-height: 68vh;
+    overflow-y: auto;
+  }
 </style>
 <div class="page-sco h-100">
   <div class="container h-100">
     <div class="row justify-content-center align-items-center h-100">
       <div class="col-11">
         <div class="row justify-content-center align-content-center">
-          <div class="col-12">
+          <div class="col-12 mb-3">
             <h1 class="fw-bold text-primary text-center">Referencias</h1>
             <ol class="mb-0">
-              <li>International Society for Peritoneal Dialysis (ISPD). Peritoneal dialysis-related definitions and description of technique. Perit Dial Int. 2020;40(3):244–253.</li>
-              <li>International Society for Peritoneal Dialysis (ISPD). Teaching peritoneal dialysis to patients and caregivers: position paper. Perit Dial Int. 2025;45(1):3–19.</li>
+              <li>International Society for Peritoneal Dialysis (ISPD). Peritoneal dialysis-related
+                definitions and description of technique. Perit Dial Int. 2020;40(3):244–253.</li>
+              <li>International Society for Peritoneal Dialysis (ISPD). Teaching peritoneal dialysis to
+                patients and caregivers: position paper. Perit Dial Int. 2025;45(1):3–19.</li>
               <li>National Kidney Foundation. Hemodialysis. Am J Kidney Dis. 2015;66(5):884–930.</li>
-              <li>Kidney Disease: Improving Global Outcomes (KDIGO). KDIGO clinical practice guideline for the evaluation and management of chronic kidney disease. Kidney Int. 2024;105(Suppl 4):S1–S150.</li>
-              <li>Blake PG, Jain AK. Icodextrin as an osmotic agent in peritoneal dialysis. Kidney Int. 2002;62(Suppl 81):S38–S44.</li>
-              <li>Kidney Disease: Improving Global Outcomes (KDIGO). Krediet RT. The peritoneal membrane in peritoneal dialysis: physiology and pathophysiology. Nat Rev Nephrol. 2014;10(7):366–374.</li>
-              <li>Kidney Disease: Improving Global Outcomes (KDIGO). World Health Organization (WHO). WHO guidelines on hand hygiene in health care. Geneva: WHO; 2009.</li>
-              <li>International Society for Peritoneal Dialysis (ISPD). Catheter-related infection recommendations: 2023 update. Perit Dial Int. 2023;43(1):1–21.</li>
-              <li>Crabtree JH. Selected best demonstrated practices in peritoneal dialysis access. Kidney Int Suppl. 2006;(103):S27–S37</li>
-              <li>International Society for Peritoneal Dialysis (ISPD). Teaching peritoneal dialysis to patients and caregivers: position paper. Perit Dial Int. 2025;45(1):3–19.</li>
-              <li>International Society for Peritoneal Dialysis (ISPD). Peritonitis recommendations: 2022 update. Perit Dial Int. 2022;42(2):110–153.</li>
-              <li>World Health Organization (WHO). WHO guidelines on hand hygiene in health care. Geneva: WHO; 2009.</li>
-              <li>National Kidney Foundation. KDOQI Clinical Practice Guideline for Nutrition in CKD. Am J Kidney Dis. 2020;76(3 Suppl 1):S1–S107.</li>
-              <li>Kidney Disease: Improving Global Outcomes (KDIGO). KDIGO clinical practice guideline for anemia in chronic kidney disease. Kidney Int Suppl. 2021;11(4):1–115.</li>
-              <li>idney Disease: Improving Global Outcomes (KDIGO). CKD–Mineral and Bone Disorder guideline. Kidney Int Suppl. 2017;7(1):1–59.</li>
+              <li>Kidney Disease: Improving Global Outcomes (KDIGO). KDIGO clinical practice guideline for the
+                evaluation and management of chronic kidney disease. Kidney Int. 2024;105(Suppl 4):S1–S150.
+              </li>
+              <li>Blake PG, Jain AK. Icodextrin as an osmotic agent in peritoneal dialysis. Kidney Int.
+                2002;62(Suppl 81):S38–S44.</li>
+              <li>Kidney Disease: Improving Global Outcomes (KDIGO). Krediet RT. The peritoneal membrane in
+                peritoneal dialysis: physiology and pathophysiology. Nat Rev Nephrol. 2014;10(7):366–374.</li>
+              <li>Kidney Disease: Improving Global Outcomes (KDIGO). World Health Organization (WHO). WHO
+                guidelines on hand hygiene in health care. Geneva: WHO; 2009.</li>
+              <li>International Society for Peritoneal Dialysis (ISPD). Catheter-related infection
+                recommendations: 2023 update. Perit Dial Int. 2023;43(1):1–21.</li>
+              <li>Crabtree JH. Selected best demonstrated practices in peritoneal dialysis access. Kidney Int
+                Suppl. 2006;(103):S27–S37</li>
+              <li>International Society for Peritoneal Dialysis (ISPD). Teaching peritoneal dialysis to
+                patients and caregivers: position paper. Perit Dial Int. 2025;45(1):3–19.</li>
+              <li>International Society for Peritoneal Dialysis (ISPD). Peritonitis recommendations: 2022
+                update. Perit Dial Int. 2022;42(2):110–153.</li>
+              <li>World Health Organization (WHO). WHO guidelines on hand hygiene in health care. Geneva: WHO;
+                2009.</li>
+              <li>National Kidney Foundation. KDOQI Clinical Practice Guideline for Nutrition in CKD. Am J
+                Kidney Dis. 2020;76(3 Suppl 1):S1–S107.</li>
+              <li>Kidney Disease: Improving Global Outcomes (KDIGO). KDIGO clinical practice guideline for
+                anemia in chronic kidney disease. Kidney Int Suppl. 2021;11(4):1–115.</li>
+              <li>idney Disease: Improving Global Outcomes (KDIGO). CKD–Mineral and Bone Disorder guideline.
+                Kidney Int Suppl. 2017;7(1):1–59.</li>
             </ol>
           </div>
+          <div class="col-12 text-end">
+            <p class="small fw-bold mb-1">Document Number</p>
+            <p class="mb-0 small">MX-RC00-260014</p>
+          </div>
         </div>
       </div>
     </div>