About: http://webisa.webdatacommons.org/281328349

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	They are rarely severe, although iron tablets can aggravate existing gastrointestinal problems such as ulcers and ulcerative colitis.
http://www.w3.org/ns/prov#wasQuotedFrom	nortonhealthcare.com