The surviving sequence may preserve material composed at different times and for different purposes. Repetition, changes of topic, and varied formulae can reveal collection and copying, but they do not allow every passage to be assigned confidently to an individual author or date.
Writing made instructions durable while separating them from the encounters in which they were used. The papyrus rarely tells modern readers how often a remedy was prepared, how a patient understood it, or how practitioners adjusted it in response to circumstances. A written recipe is evidence for available knowledge, not automatic proof of routine practice or effectiveness.
Modern translation creates further uncertainty. Ancient terms for ingredients, anatomy, symptoms, and actions do not always have exact equivalents. Preserving ambiguity is more historically responsible than forcing every condition into a modern diagnosis or every substance into a secure botanical identification.