21.   The agency also said it was having difficulty getting samples from infected areas other than Kikwit.

22.   The CDC also said it was having difficulty getting samples from infected areas other than Kikwit.

23.   The supplies allowed Nielsen to perform her own biopsy, getting tissue samples by inserting a needle into her breast.

24.   Trainers taught the male whale to roll on his back so they could get semen samples, which were then cooled and shipped across the country.

25.   Had we got samples earlier, we may have been able to ascertain the toxin.