Assertion: pathogen | /r/HasProperty | difficult
Facets:
value: to identify with conventional methods
type: CAUSE
Source sentences:
text: Although identification was initially applied to slow-growing mycobacteria, it has applications for other pathogens that are difficult or impossible to identify with conventional methods.
text: Although it is difficult to establish that a microbe is transmissible without having it isolated, today there are three alternative approaches to identify pathogens even if they are difficult to grow in culture.