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This is different from intravenous injection, where large air volumes can cause serious complications
Independent phase-variable expression has also been observed in genes involved in haemoglobin-haptoglobin acquisition (Phillips et al., 2022) which is hypothesised to provide an adaptive response to fluctuations in haem-iron availability/source influenced by the stage or site of infection (Rao et al., 1999
When a negative screening result is obtained, pharmacists should carefully consider the potential for a false-negative result, especially for patients receiving UDS testing to assess compliance with a medication regimen or for those exhibiting behaviors or risk factors suggestive of drug abuse or drug dependency
Ramsey DJ, Makwana B, Dani SS, Patel M, Panchal K, Shah J, et al
& Sniderman, A