s/p

Preposition

 * 1)   after.
 * 2) * 2008, Nicole Zangrilli Hoh, “Bcl-2 Genotypes and Outcomes After Traumatic Brain Injury” (Ph.D. dissertation), ProQuest, ISBN 1109054947, page 43:
 * Following TBI, bcl-2 and bax bands intensities reduce 2 hrs after injury (P<0.05) more importantly the bax:bcl-2 ration increases at 2 hrs and remains elevated at 7 days s/p injury (P<0.05) (Raghupathi et al., 2003).
 * 1) * 2011, Alexander Vaccaro et al., Spine and Spinal Cord Trauma: Evidence-Based Management, Thieme, ISBN 978-1-60406-221-2, unnumbered page:
 * 63-year-old woman, s/p 30-foot fall 3 weeks previously