TY  - GEN
AU  - Allaben,R D
TI  - Premenarchal breast nodules
SN  - 0098-7484
PY  - 1979///0901
KW  - Adolescent
KW  - Age Factors
KW  - Breast Diseases
KW  - etiology
KW  - Female
KW  - Humans
KW  - Menarche
N1  - Publication Type: Letter
ER  -