Is there any fluent expression, grammar or punctuation problem in this paragraph

Medical negligence serves as a crucial legal precedent, safeguarding patients by holding doctors accountable for any failure to uphold their duty of care. Before and during the decision-making process of their medical care, patients must have the right to give their informed consent to understand their conditions (Services D et.al, 2020).

No, there are no fluent expression, grammar, or punctuation problems in this paragraph.

There are no apparent issues with the expression, grammar, or punctuation in the paragraph you provided. It is well-constructed and conveys the intended meaning clearly.