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al'ercent is the percentage of respondents who used the method. in the past year. b Although a percentage is given for All IAPH Respondents, it may not be indicative of the percentage of the who!~ IAPB community interested in that item (sin~e the proportion of each type of respondent in this study :nay not correspond to the proportion that gr:oup constitutes of the entire population).doi:10.2172/6578119 fatcat:3eqcpisrzrcudp6yqciumfxkly