Maton, Anthea; Jean Hopkins; Charles William McLaughlin; Susan Johnson; Maryanna Quon Warner; David LaHart; Jill D. Wright (1993). Human Biology and Health. Englewood Cliffs, New Jersey, US: Prentice Hall. ISBN0-13-981176-1.
Ross DW, Ayscue LH, Watson J, Bentley SA (September 1988). "Stability of hematologic parameters in healthy subjects. Intraindividual versus interindividual variation". American Journal of Clinical Pathology. 90 (3): 262–7. doi:10.1093/ajcp/90.3.262. PMID3414599.
nih.gov
pubmed.ncbi.nlm.nih.gov
Ross DW, Ayscue LH, Watson J, Bentley SA (September 1988). "Stability of hematologic parameters in healthy subjects. Intraindividual versus interindividual variation". American Journal of Clinical Pathology. 90 (3): 262–7. doi:10.1093/ajcp/90.3.262. PMID3414599.
Hajdu, Steven I. (2003). "A Note from History: The Discovery of Blood Cells". Ann Clin Lab Sci. 33 (2): 237–8. PMID12817630.