TY  - RPRT
TI  - Menstrual cycle influences on operant behavior of female rhesus monkeys.
AU  - R W Bonsall
AU  - D Zumpe
AU  - R P Michael
PY  - 1978
DO  - 10.1037/h0077539
UR  - https://pubmed.ncbi.nlm.nih.gov/103942/
ID  - 103942
ER  -