Vitamin D supplements are recommended for all people at risk of a deficiency, including all pregnant and breastfeeding women, children under five years old, people aged over 65, and people at risk of not getting enough exposure to sunlight.

BBC: Experts review vitamin D advice

The IRS issued Bulas a notice of deficiency, denying the deductions for the wages paid to his daughters and the business use of his residence.

FORBES: Tax Court Rules Bathroom Deduction All Wet

If the expatriate does not file a U.S. income tax return for the year of the sale, the IRS will issue a notice of deficiency to him at his last known address for income tax on the gross sale proceeds.

FORBES: Oh Canada! Our Home and Adopted Land

GlaxoSmithkline today unveiled a surprising deal to commercialize a new gene therapy technique for an ultra-rare type of immune deficiency.

FORBES: Glaxo Brings Gene Therapy Back From The Dead

The joint Green Party and Alliance motion was opened by Anna Lo who said the four licences for exploration for hydraulic fracturing, known as "fracking", had been granted despite a "severe deficiency of research".

BBC: Hydraulic fracturing

Respondent issued a notice of deficiency on September 3, 2010, and petitioners timely petitioned this Court for redetermination.

FORBES: Your Money Or Your Life - Which Can You Deduct ?

It is beginning to integrate a new generation of bought-in designers, Americans and Europeans, to make up for this one area of deficiency.

FORBES: Why China and Korea's Priorities May Decide The Smartphone Wars