Reference
- Poulsen G., Tos M. Screening tympanometry in newborn infants and during the first six months of life. Scand Audiol 1978; 7: 159
- Tos M., Poulsen G., Hancke A. B. Screening tympanometry during the first year of life. Acta Otolaryngol. 1979; 88: 388