It says one dose of the medicine given to mother and child prevents the spread of H.I.V.

VOA: special.2010.05.24

Now,a study shows that low doses of the medicine given by mouth are equal to, or better than, a heavy dose administered into the blood.

VOA: special.2010.06.23

Prices of drugs, of course, are difficult to evaluate, since the cost of production of a given dose is often far lower than the final cost in a pharmacy or doctor's office.

FORBES: Magazine Article

Then, both groups were given another dose of Prevnar 13.

FORBES: Pfizer's Vaccine Plan

In an accompanying editorial, Dr Martin Tramer, of Geneva University Hospitals, Switzerland, argues that it is unclear who should be given what dose of aspirin and for how long.

BBC: Aspirin