Frequency - Word Form
 18 p
  2 padova
  1 paid
  1 pain
  1 palermo
  1 pancreas
  1 pancreatic
  1 paolo
  1 paradigm
  1 paradis
  1 paris
  1 parkinson
 10 part
  1 participants
  1 participated
  7 particular
  1 particularly
  1 partly
  1 parts
  2 past
  1 patentability
  2 patented
  2 patenting
  2 patents
  2 path
  1 pathogen
  2 pathogenesis
  2 pathogenic
  1 pathogenicity
  1 pathol
  4 pathology
  1 paths
  1 patience
 19 patient
 18 patients
  1 patrimony
  7 paul
  1 paula
  1 pays
  1 pegoraro
  1 people
  1 percentage
  1 perfection
  2 perform
  3 performed
  1 perfused
  2 perhaps
  3 period
  5 periods
  1 permanent
 14 person
 14 personal
  1 personalized
  2 persons
  1 perspective
  4 perv
  1 pharmaceutical
  4 phase
  1 phases
  1 philos
  4 philosophical
  1 philosophy
  1 physical
  1 physiological
  1 physiology
 39 pig
  2 pig-to-human
  2 pig-to-nonhuman-primate
  4 pig-to-primate
  1 piggy
 21 pigs
  1 pimlico
  1 pius
  4 place
  4 placed
  1 placing
  1 plan
  1 plasmapheresis
  1 platelet
  6 platt
  1 play
  1 pnas
 10 point
  1 polcrack
  1 polejaeva
  1 poli
  2 policies
  1 policy
  1 political-legislative
  1 polls
  1 pont
  4 pontifical
  1 pope
  3 population
 21 porcine
  1 posed
  1 poses
  3 position
  3 positive
  1 possesses
 10 possibility
 23 possible
  1 possibly
  2 post-transplant
 12 potential
  1 potentially
  1 pour
  1 power
  1 pp
  1 practicability
  5 practical
  5 practice
  2 pre-clinical
  1 pre-existing
  1 precautions
  1 precept
  1 precipitate
  1 precipitated
  1 precise
  2 preclinical
  1 preclusions
  1 predicted
  1 predominantly
  1 preferred
  2 preformed
  2 preliminary
  1 prepare
  7 presence
  9 present
  1 present-day
  2 president
  3 press
  3 presumably
  2 prevent
  2 prevented
  4 prevention
  1 prevents
  2 previously
  1 prices
  2 primarily
  1 primary
  6 primate
 19 primates
  3 principal
  4 principle
  1 private
  9 probability
  3 probable
  2 problem
  3 problems
  9 proc
  2 procedural
  4 procedure
  2 procedures
  3 proceed
  3 proceedings
  1 proceeds
  5 process
  1 procreate
  2 procreation
  1 procurement
  2 produce
  2 produced
  1 produces
  1 producing
  1 product
  5 production
  2 products
 13 prof
  1 professional
  7 professor
  1 prog
  1 prognosis
  5 progress
  1 progressed
  1 progressing
  1 project
  1 proliferation
  2 prolong
  2 prolonged
  1 promise
  1 promised
  1 promising
  1 promote
  2 promotion
  2 pronouncements
  1 proper
  1 property
  1 propose
  1 proprietà
  2 prospects
  1 prospettiva
  4 protect
  1 protective
  1 protein
  6 proteins
  1 protocol
  1 protocols
  1 protological
  3 proven
  5 provide
  1 provided
  1 provides
  2 providing
  1 pruitt
  1 psyche
  1 psychiatric
  6 psychological
  2 psychology
  7 public
  1 publications
  1 published
  1 pulmonary
  2 purely
  5 purpose
  2 purposes
  1 pursuit
  1 put