diff --git a/references.bib b/references.bib
index fbcc603..8d19fb3 100644
--- a/references.bib
+++ b/references.bib
@@ -290,3 +290,13 @@ Publisher: Endeavor Business Media},
 	url = {https://linkinghub.elsevier.com/retrieve/pii/S1875918115000343},
 	langid = {en}
 }
+
+@article{johnsonalistair,
+	title = {MIMIC-IV},
+	author = {{Johnson, Alistair},  and {Bulgarelli, Lucas},  and {Pollard, Tom},  and {Horng, Steven},  and {Celi, Leo Anthony},  and {Mark, Roger}, },
+	doi = {10.13026/S6N6-XD98},
+	url = {https://physionet.org/content/mimiciv/1.0/},
+	note = {Version Number: 1.0
+Type: dataset
+DOI: 10.13026/S6N6-XD98}
+}