490
Biological markers of ovulation , after a great in the past, have been fallen into disuse for the large diffusion of biochemical and biophysical ones.
 None
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 None