code: def specimen_type=(value)
        value = value.to_s.capitalize_first + ' Tissue' if Symbol === value
        setSpecimenType(value)
      end
docs: Sets the specimen type to the specified value. The value can be a permissible caTissue String value or
   the shortcut symbols :fresh, :fixed and +:frozen+.
  
   @param [String, Symbol, nil] value the value to set