TY - GEN AU - Onghena,P AU - Verhulst,J AU - McKenzie,D TI - Slutsky effect does not seem to explain circaseptennial rhythm in ear growth SN - 0959-8138 PY - 1997///0915 KW - Ear KW - growth & development KW - Humans KW - Time Factors N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1136/bmj.315.7103.313b ER -