S. . Gadicherla, M. . Mahandwan, S. Q. Y. Xuan, and K.-C. . Pentapati, “Efficacy of Higher Gauged Needles or Topical Pre-Cooling for Pain Reduction during Local Anesthesia Injection: A Split-Mouth Randomized Trial”, Pesqui Bras Odontopediatria Clin Integr, vol. 21, p. e0132, Nov. 2021.