Phenotype measures in Peters1 associated with ontology term
MP:0000217   'abnormal leukocyte cell number'        
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This list includes measures mapped MP:0000217 AND its ontology descendants. Alternatively, you can show measures mapped to MP:0000217 only. This MP term has been mapped to these MPD phenotype measurements to help users find relevant data. It should be noted that MPD measurements typically have a mixture of high-end, low-end and "normal" readings.