title: Methodological queries about point-of-care haemoglobin data.
authors.forename: A
authors.initials: A
authors.lastname: Butwick
mesh_terms: D005260:Female; D006452:Hemoglobinometry / Q000295:instrumentation*; D006801:Humans; D010092:Oximetry / Q000295:instrumentation*; D011247:Pregnancy