Authors: BOLLAG U BOLLAGALBRECHT E BRAUNFAHRLANDER C

Citation: U. Bollag et al., ACOUSTIC REFLECTOMETRY IN THE STUDY OF MIDDLE-EAR EFFUSION - REPLY, European journal of pediatrics, 157(2), 1998, pp. 166-167

Authors: BOLLAG U

Citation: U. Bollag, GENERAL-PRACTITIONERS WANT TO KNOW WHETHER A TREATMENT WORKS AND IS SAFE IN PRACTICE, BMJ. British medical journal, 315(7118), 1997, pp. 1310-1311

Authors: GUNTZEL O BOLLAG U HELFENSTEIN U

Citation: O. Guntzel et al., ASTHMA AND EXACERBATION OF CHRONIC-BRONCHITIS - SENTINEL AND ENVIRONMENTAL DATA IN A TIME-SERIES ANALYSIS, Zentralblatt fur Hygiene und Umweltmedizin, 198(5), 1996, pp. 383-393

Authors: BOLLAG U BOLLAGALBRECHT E BRAUNFAHRLANDER C

Citation: U. Bollag et al., THE USE OF ACOUSTIC REFLECTOMETRY IN THE STUDY OF MIDDLE-EAR EFFUSIONIN CHILDREN SUFFERING FROM ACUTE OTITIS-MEDIA, UPPER RESPIRATORY-TRACT INFECTION AND IN HEALTHY-CHILDREN, European journal of pediatrics, 155(12), 1996, pp. 1027-1030

Authors: BOLLAG U

Citation: U. Bollag, OTITIS-MEDIA IN PRACTICE - REPLY, Clinical pediatrics, 32(8), 1993, pp. 512-512