Ferrous sulfate supplementation causes significant gastrointestinal side-effects in adults: a systematic review and meta-analysis.
PLoS One. 2015 Feb 20;10(2):e0117383. doi: 10.1371/journal.pone.0117383. eCollection 2015.
PLoS One. 2015.
PMID: 25700159
Free PMC article.
Review.