read_plasma_glucose_concentration
===================================================================

.. py:function:: petpal.input_function.blood_input.read_plasma_glucose_concentration(file_path: str, correction_scale: float = 1.0 / 18.0) -> float

   Temporary hacky function to read a single plasma glucose concentration value from a file.

   This function reads a single numerical value from a specified file and applies a correction scale to it.
   The primary use is to quickly extract plasma glucose concentration for further processing. The default
   scaling os 1.0/18.0 is the one used in the CMMS study to get the right units.

   :param file_path: Path to the file containing the plasma glucose concentration value.
   :type file_path: str
   :param correction_scale: Scale factor for correcting the read value. Default is `1.0/18.0`.
   :type correction_scale: float

   :returns: *float* -- Corrected plasma glucose concentration value.