

BriORK TREAIMENT 



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18 HOURS AFTER VITAMIN B,.^ 



A. Hciii<)])<iicii( (blocxl (cll loimiiig) re- 

 sponse oi hone marrow after injection of 

 25 miirooianis of \itaniiii R in a patient 

 Asilli petniiioiis anemia in relapse. The 

 large blue and pink siinetnres are red 

 blood cells whose de\(lopinent has been 

 arrested hv lack of \ilamin li Note the 

 formation of normal cells (small pink 

 bodies) after tieatment. 





90 HOURS AFTER VITAMIN IJ^., 



B. Regeneration of lingnal papillae (normal tongne snrface) after vitamin B^^ 



administration. 



Plate 1\ . Response oi pernicious anemia patients to treatment \\ilh \iiamin B^.,. 



