Retrieve MMDB medium categories
     
    
    Usage
    get_medium_categories(
  API_key = NULL,
  Server = "https://comptox.epa.gov/ctx-api/exposure",
  verbose = FALSE
)
 
     
    
    Arguments
- API_key
 
The user-specific API key
 
- Server
 
The root address for the API endpoint
 
- verbose
 
A logical indicating if some "progress report" should be
given.
 
 
    
    Value
    A data.frame of harmonized medium categories from MMDB and relevant
descriptions.
     
    
    Examples
    if (FALSE) {
# Retrieve medium categories and descriptions
get_medium_categories()
}