Onghena, P Slutsky effect does not seem to explain circaseptennial rhythm in ear growth. [electronic resource] - BMJ (Clinical research ed.) Aug 1997 - 313-4 p. digital Publication Type: Comment; Letter ISSN: 0959-8138 Standard No.: 10.1136/bmj.315.7103.313b doi Subjects--Topical Terms: Ear--growth & developmentHumansTime Factors