Pa_to_torr              Conversion factor from Pa to torr (mmHg)
adj_weight_adult        adjusted body weight
age_from_dates          age from birth and reference dates
age_m_to_y              Calculate age in years from other units
alveolar_PAO2_mmHg      alveolar gas equation
blood_vol_Nadler        Estimate Blood Volume
bmi_adult               Body Mass Index (BMI) for adults
bsa                     Estimate body surface area
creatinine_mgdl_to_uM   Convert serum creatinine from mg/dL to umol/L
deadspace_equipment_ml
                        Calculate equipment deadspace in ventilator
                        breathing circuit
deadspace_total         Estimate ventilation dead-space
egfr                    Automatically select the best equation to use
                        for estimated glomerular filtration rate (eGFR)
                        calculation.
ett_size_by_age         Estimate appropriate size of endotracheal tube
                        for infants and children
ett_vol_ml              Estimate volume inside an endotracheal tube
french_to_diameter_mm   French to diameter
henderson_hasselbalch   pH by Henderson Hasselbalch equation
ideal_weight            ideal weight for adults
ideal_weight_Traub      ideal weight for child per Traub
is_adult                Is age >= 18 years
physiology-package      physiology
pres_atm_kPa            Get mean atmospheric pressure at given altitude
                        in kPa
svp_sea_level           Saturation vapor pressure of water at sea level
temp_c_to_k             Temperature in Kelvin from Celsius
valid_height            Validate physiologic input parameters
