clean_prescription_text
                        Clean up raw prescription freetext
cprd                    Sample electronic prescribing dataset
drug_units              Medication dosage units
example_cprd            Example freetext prescriptions
example_prescriptions   Example freetext prescriptions
extract_dose_unit       Extract units of dose from freetext
                        prescriptions.
extract_from_prescription
                        Extract dosage information from free-text
                        English-language prescriptions
hourly_to_daily         Convert hourly to daily frequency
latin_medical_terms     List of Latin medical and pharmaceutical
                        abbreviations
multiply_dose           Evaluate a multiplicative plaintext expression
numb_replacements       Dictionary of English names of numbers
regex_numbers           Regular expression to match numbers in English
replace_numbers         Replace English number phrases with their
                        decimal representations
weekly_to_daily         Convert weekly interval to daily interval
words2number            Convert English names of numbers to their
                        numerical values
