understanding leukopenia a historical medical image of low white blood cell count

susceptibility understanding characterized professional advancements medications compromised leukopenia historical photograph diagnosing abnormally meticulous importance autoimmune healthcare technology laboratory hematology leukocytes prevention evocative condition grayscale highlight infection disorders diagnosis treatment textbook research approach analysis accurate response medicine disorder cytology medical vintage glimpse archive volumes history disease patient offers counts likely speaks detail immune system marrow white blood count tones cell