The information contained on the David E. Ryker, M.D., web site is not to be construed as medical recommendations, or as professional advice. Neither David E. Ryker, M.D., its affiliates or agents, or any other party involved in the preparation or publication of the works presented is responsible for any errors or omissions in information provided on the David E. Ryker, M.D., web site or any other results obtained from the use of such information. Readers are encouraged to confirm the information contained herein with other reliable sources and to direct any questions concerning personal healthcare to licensed physicians or other appropriate healthcare professionals.