References:
- Blood transfusion - (http://www.nhs.uk/Conditions/Blood-transfusion/Pages/Introduction.aspx)
- About Blood Transfusion - (https://www.nhlbi.nih.gov/health/health-topics/topics/bt)
- History of Blood Transfusion - (http://www.redcrossblood.org/learn-about-blood/history-blood-transfusion)
- Adverse effects of transfusion - (http://www.rch.org.au/bloodtrans/adverse_effects/Adverse_effects_of_transfusion/)
- Promethazine Hydrochloride - (http://www.drugs.com/monograph/promethazine-hydrochloride-antihistamine.html)
- A Patient's Guide to Blood Transfusions - (http://my.clevelandclinic.org/services/All/hic-a-patients-guide-to-blood-transfusions)
Editor: Sudha Bhat
Technically Checked by: Lingaraj