In this study, it isolates the independent effect of microneedling on hair count while controlling for differences in study design, duration, and other factors that might confound the comparison
In some centres, holotranscobalamin (active B12) may be available as an alternative test
Juanpablo - it could still be worth finding out what your current B12 reading is , if you can find a medical professional who understands that it should by now be very high
Conditions that can cause symptoms similar to acute kidney stones include urinary tract infection, kidney infection, diverticulitis, ovarian diseases, appendicitis, and ectopic pregnancy (Aliotta 2015)
Immediate return to normal activities following treatment