Using the process flowchart, label each component with a sequential reference number. 1  These reference numbers will be used throughout the FMEA process. 2  The marked-up flowchart will give you a powerful visual to refer to throughout the PFMEA.
Although vitamin D deficiency rickets is rare in the United States, children who are dark skinned and living in cloudy northern cities as well as children on restricted diets due to cultural or religious beliefs are more likely to develop this disorder.
Vitamin D is only found naturally in significant levels in a few foods, including fatty fish, cod-liver oil, and eggs. Read more about treatment, causes, and symptoms of vitamin D deficiency Â». Rickets is a bone disorder caused by a deficiency of vitamin D, calcium, or phosphate.