--- a
+++ b/test/diseasedb/check_repeat.py
@@ -0,0 +1,41 @@
+from tqdm import tqdm
+import os
+
+
+def load_all_relation():
+    with open("./data/relation_all.txt", "r", encoding="utf-8") as f:
+        lines = f.readlines()[1:]
+    rel_list = []
+    count = 0
+    for line in tqdm(lines):
+        cui1, rel, cui2, source = line.strip().split("|")
+        if source == "diseasedb":
+            count += 1
+            rel = cui1 + "|" + cui2
+            rel_list.append(rel)
+
+    print("Tri group count:", count)
+
+    return rel_list
+
+def load_mrrel():
+    with open("../../umls/MRREL.RRF", "r", encoding="utf-8") as f:
+        lines = f.readlines()
+    rel_set = set()
+    for line in tqdm(lines):
+        l = line.split("|")
+        cui1 = l[0]
+        cui2 = l[4]
+        rel = cui1 + "|" + cui2
+        reverse_rel = cui2 + "|" + cui1
+        rel_set.update([rel, reverse_rel])
+
+    return rel_set
+
+diseasedb_list = load_all_relation()
+mrrel_set = load_mrrel()
+repeat = 0
+for rel in tqdm(diseasedb_list):
+    if rel in mrrel_set:
+        repeat += 1
+print(repeat, len(diseasedb_list))
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