Gentile, Marco, Mariaconcetta Zinna, Antonio Costanza, Andrea Remo, Giuseppe Sala, and Pietro Catapano. 2021. “A Case Report of Spontaneous Pneumomediastinum After Vaginal Delivery: Hamman’s Syndrome”. Recent Developments in Medicine and Medical Research Vol. 5, October, 135-38. https://doi.org/10.9734/bpi/rdmmr/v5/13934D.