Search terms for MEDLINE via PubMed
#1	Richter syndrome[MeSH Terms]
#2	(Richter* Syndrome*[Title/Abstract])) OR (Richter* Transformation*)
#3	#1 OR #2
#4	“Hematopoietic Stem Cell Transplantation”[Mesh]
#5	(Hematopoietic Stem Cell Transplantation)
#6	(allogeneic[Title/Abstract] AND transplant*[Title/Abstract])
#7	“Bone Marrow Transplantation”[Mesh]
#8	(Bone Marrow Transplantation[Title/Abstract])
#9	#4 OR #5 OR #6 OR #7 OR #8
#10	#3 AND #9
Search terms for EMBASE
#1	’richter syndrome’/exp OR ’richter syndrome’
#2	’richter transformation’/exp OR ’richter transformation’
#3	richter:ti,ab
#4	#1 OR #2 OR #3
#5	’allogeneic hematopoietic cell transplantation’/exp OR ’allogeneic hematopoietic cell transplantation’
#6	transplant*:ab,ti
#7	#5 OR #6
#8	#4 AND #7
Search terms for Cochrane
#1	Richter syndrome
#2	Richter Transformation
#3	#1 OR #2
#4	MeSH descriptor: [Hematopoietic Stem Cell Transplantation] explode all trees
#5	MeSH descriptor: [Bone Marrow Transplantation] explode all trees
#6	Transplantation
#7	#4 OR #5 OR #6
#8	#3 AND #7