Are there any cases where a treating doctor was found to be unreliable?

Is there any case law in which a social host has been found liable for serving alcohol to a person who was later found to be intoxicated? (Ontario, Canada)

Is there any case law where a trial judge preferred the recollection of a patient to that of a doctor as to whether the doctor had told the patient about a risk of continuing incontinence after a proposed surgery? (Ontario, Canada)

Is there any case law or case law that states that parties are not aware of the effect of the case on the other side? (Ontario, Canada)

What is the test for a judge to find that a jury can be found to have found a jury in a conflicting case? (Ontario, Canada)

Is there a case made out for declaring the consideration for the lease to have failed so as to bring it within the class of cases where the subject matter could be treated as non-existent? (Ontario, Canada)

How have the authorities treated the absence of evidence of proof of motive in a criminal case? (Ontario, Canada)

How have courts treated the issue of a proposed duty of care in a motor vehicle accident case? (Ontario, Canada)

What is the case law on the admissibility of expert evidence in medical malpractice cases? (Ontario, Canada)

What is the standard of care required by a doctor to treat a patient who is suffering from multiple sclerosis? (Ontario, Canada)

What is the case law on expert testimony in medical malpractice cases? (Ontario, Canada)