%0 Journal Article %K Humans %K Retrospective Studies %K Blood Cell Count %K *Ambulatory Care Facilities %K *Headache/diagnosis %K machine learning %B PLoS One %D 2023 %G eng %M 36877693 %P e0282237 %R 10.1371/journal.pone.0282237 %T A machine learning approach to support triaging of primary versus secondary headache patients using complete blood count %V 18 %2 PMC9987784 following competing interests: FY, TM, BT-N and CM are employees of Roche. CL and ED were employees of Roche at the time the study was conducted. This does not alter our adherence to PLOS ONE policies on sharing data and materials. %7 2023/03/07 %@ 1932-6203