text: Blood group studies, yo, in 330 patients,
  Gastrointestinal disorders, and malformations evident,
  Compared to normal subjects, we analyzed the stats,
  Check it out, here's what the data spat.
  
  Significant correlation, B group and thalassaemia,
  Congenital malformations, higher incidence, no one's dreamin',
  B and O groups, they show the trend,
  Higher rates of malformations, gotta comprehend.
  
  But hold up, pay attention, there's more to see,
  B group's correlation with duodenal ulcer, believe it, G,
  Contrary to early reports, this study's lit,
  Blood groups and diseases, yo, they sure do fit.