title: Milk allergy and bottles over the back fence: two single patient trials.
abstract: OBJECTIVE
  To determine if allergy to cows milk was responsible for symptoms in two children.
  
  
  METHODS
  Single patient trial.
  
  
  METHODS
  General Practice in New Zealand.
  
  
  METHODS
  Two children aged about 6 months
  
  
  METHODS
  Alternating bottles of soya-based milk and cow's milk provided by neighbours over their back fence.
  
  
  METHODS
  Presence of diarrhea, irritability, rash and wheeze.
  
  
  RESULTS
  After 4 cycles of soya-based milk and cows milk one child proved to have a milk allergy and one did not.
  
  
  CONCLUSIONS
  A systematic approach enabled conclusive diagnoses in both children.
authors.affiliation: Department of General Practice and Primary Health Care, Faculty of Medical & Health Sciences, University of Auckland, New Zealand. b.arroll@auckland.ac.nz.
authors.forename: Bruce
authors.initials: B
authors.lastname: Arroll
authors.forename: Harry
authors.initials: H
authors.lastname: Pert
authors.forename: Gordon
authors.initials: G
authors.lastname: Guyatt