Last week, we discussed one problem for medical journals: the question of authorship.

VOA: special.2009.10.08

But sometimes, when one problem gets solved, another one appears.

VOA: special.2009.10.27

One problem health care providers have here is getting good data on the maternal mortality rate.

VOA: standard.2009.11.10

Charles Wortmann at the University of Nebraska-Lincoln says a one-time tillage may be used to correct a problem like aggressive weeds.

VOA: special.2010.09.28

Only two areas did not have an overfishing problem in either the new study or the earlier one.

VOA: special.2009.09.08

"But there is a problem. He is one of the men who have been coming to see me in answer to your advertisement.

VOA: special.2010.04.24

Anne Lindbergh found that one answer to this problem was to be alone.

VOA: special.2009.06.28

One time,Miss Sullivan suggested leaving a problem to solve until the next day.

VOA: special.2009.11.08

The loss of one oxygen tank should not have been a major problem.

VOA: special.2009.07.22

The problem was that after successfully floating over one wave you find that there is another one behind it just as strong and ready to flood your boat.

VOA: special.2011.04.09

One is lack of recognition of the seriousness of the problem.

VOA: special.2010.04.13

Solving this problem,however, created a new one.

VOA: special.2009.06.24

Critics say one big problem is corruption.

VOA: special.2009.02.21

Company officials say the problem part has been traced to one U.S.supplier and does not affect vehicles made in Japanese plants.

VOA: standard.2010.01.28