TY  - RPRT
TI  - Menstrual changes in adolescence.
AU  - D K Edmonds
PY  - 1989
DO  - 10.1016/s0950-3552(89)80025-2
UR  - https://pubmed.ncbi.nlm.nih.gov/2692923/
ID  - 2692923
ER  -