Johan Hellgren

Allergic rhinitis and the common cold – high cost to society

Johan Hellgren, Anders Cervin, S. Nordling et al. · Allergy · 2009 · 184 citations

Social Sciences, Economics, Health Sciences +17

TOTALL: high cost of allergic rhinitis—a national Swedish population-based questionnaire study

Lars‐Olaf Cardell, Petter Olsson, Morgan Andersson et al. · npj Primary Care Respiratory Medicine · 2016 · 145 citations · Full text

Life Sciences, Health Sciences, Pharmacoeconomics +16

Analysis of feedback cancellation in hearing aids with Filtered-x LMS and the direct method of closed loop identification

Johan Hellgren · IEEE Transactions on Speech and Audio Processing · 2002 · 114 citations

Health Professions, Audiology, Clinical Audiology +12

Bias of feedback cancellation algorithms in hearing aids based on direct closed loop identification

Johan Hellgren, Fabrice Urban · IEEE Transactions on Speech and Audio Processing · 2001 · 74 citations

Health Professions, Audiology, Systems Engineering +16

Rhinitis increase the risk for adult-onset asthma—a Swedish population-based case-control study (MAP-study)

Kjell Torén, A.-C. OLIN, Johan Hellgren et al. · Respiratory Medicine · 2002 · 68 citations · Full text

Life Sciences, Preventive Medicine, Allergy +13