Fig. 9From: The approaches to measuring the potential spatial access to urban health services revisited: distance types and aggregation-error issuesComparing alternative types of distance between spatial units and health services using local Pearson correlations. a Shortest network time (on foot) versus shortest network time (by public transport). b Shortest network time (by car) versus shortest network time (by bicycle). c Shortest network time (by car) versus shortest network time (by public transport). d Shortest network time (by bicycle) versus shortest network time (by public transport)Back to article page