Sentence examples for but a second sample from inspiring English sources

A serum specimen from elephant 2 was negative for mycobacteria at admission, but a second sample was positive 23 months later.

The only positive pleural fluid culture grew methicillin susceptible S. aureus from fluid drained following two doses of antibiotic treatment, but when a second sample of pleural fluid was aspirated from this child after 4 days of antibiotic treatment, the cultures were negative.

IFA for rickettsial antigens showed no reactivity at the 1 64 dilution for the 6 rickettsial antigens, but serum from a second sample collected on September 3 (when the dog was showing no clinical signs) showed the following endpoint titers: R. rickettsii 4,096 R. parkeri 512, R. amblyommii 512, R. felis 256, R. rhipicephali 256, and R. bellii 256.

Jones failed a preliminary drug test but was cleared by a second sample, and she has maintained that she has not used performance-enhancing substances.

Among those with single strain infection, persons with recrudescent viraemia had similar dN/dS ratios at baseline but higher cumulative ratios following a second sample than plateau progressors (1.78 vs 0.76; p=0.76).

To be suspended for using a performance-enhancing drug, the positive result for Landis's first sample must be corroborated by testing a second sample.

When a second sample is submitted, please provide the accession number from the first sample submitted, as both samples are needed for accurate paired testing.

She insisted on taking a second sample from a different part of their large bodies.

A second sample of 316 respondents cross-validates the findings.

He also tested positive when a second sample was taken on the night of his fight against Hunt.

For a second sample, I decided to look for a more quiet place, around the castle".