Cooke 1984.

Methods	Blinding of randomisation: can't tell Blinding of intervention: no Complete follow‐up: yes Blinding of outcome measurement: no
Participants	20 infants of 34 weeks gestation or less, appropriate for gestational age. Infants were excluded if there was evidence of hepatobiliary dysfunction.
Interventions	Treatment (N=10): Parenteral nutrition and taurine to give daily concentration of 10.8 milligrams/kilogram/day. Control (N=10): Parenteral nutrition without added taurine.
Outcomes	Hepatic function, plasma taurine levels.
Notes	Setting: University of Tennessee, USA.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear