In this study, low vitamin D levels at baseline were significantly associated with increased risk of HIV disease progression, severe anemia, and hypochromic microcytosis in HIV-infected Tanzanian women.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Hypochromic microcytic anemia was categorized as severe (hypochromasia ≥ 2, microcytosis), moderate and above (hypochromasia ≥ 1, microcytosis), and mild and above (hypochromasia ≥ 1, with or without microcytosis).    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

This is a mild anemia with microcytosis.    From Wordnik.com.  [Citizendium, the Citizens' Compendium - Recent changes [en]] Reference