title: Does this patient have an immunodeficiency?
authors.affiliation: Birmingham Heartlands Hospital, Bordesley Green East, Birmingham. aarn.huissoon@nhs.net
authors.forename: Aarnoud P
authors.initials: AP
authors.lastname: Huissoon
authors.forename: Mamidipudi Thirumala
authors.initials: MT
authors.lastname: Krishna
mesh_terms: D000328:Adult; D001772:Blood Cell Count; D005260:Female; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000097:blood / Q000150:complications / Q000175:diagnosis*; D007159:Immunologic Tests; D008297:Male; D008875:Middle Aged; D012307:Risk Factors