1. Campbell F (1967) Fine structure of the bone marrow of the chicken and pigeon. J Morphol 123:405–440
2. Campbell TW (1988) Avian hematology and cytology. Iowa State University Press, Ames, Iowa, pp 3–27
3. Campbell TW, Coles EH (1986) Avian clinical pathology. In: Coles EH (ed) Veterinary clinical pathology. W.B. Saunders Co, Philadelphia, pp 279–301
4. Harvey JW (1984) Canine bone marrow: normal hematopoesis, biopsy technique, and cell identification and evaluation. Compendium on continuing Education 10:909–925
5. Lucas AJ, Jamroz C (1961) Atlas of avian hematology, USDA Monograph No. 25, Washington, DC