The correspondence published Online First on February 20, 2020, “Population Volume Kinetics in Volunteers: Reply”1  has been retracted because the original article being discussed, “Population Kinetics of 0.9% Saline Distribution in Hemorrhaged Awake and Isoflurane-anesthetized Volunteers,”2  has been retracted at the request of the authors.

1.
Nyberg
J
,
Kinsky
MP
,
Svensen
CH
.
Population volume kinetics in volunteers: Reply.
Anesthesiology
.
2020 Feb 20
.
doi: 10.1097/ALN.0000000000003211 [Epub ahead of print]
2.
Nyberg
J
,
Li
H
,
Wessmark
P
,
Winther
V
,
Prough
DS
,
Kinsky
MP
,
Svensén
CH
.
Population kinetics of 0.9% saline distribution in hemorrhaged awake and isoflurane-anesthetized volunteers.
Anesthesiology
.
2019
;
131
:
501
11
.
doi: 10.1097/ALN.0000000000002816