Get Default Parameter Code for Corrected QT
Value
"QTCBR" if method is "Bazett", "QTCFR" if it's "Fridericia" or
"QTLCR" if it's "Sagie". An error otherwise.
See also
BDS-Findings Functions for adding Parameters/Records:
derive_expected_records(),
derive_extreme_event(),
derive_extreme_records(),
derive_locf_records(),
derive_param_bmi(),
derive_param_bsa(),
derive_param_computed(),
derive_param_doseint(),
derive_param_exist_flag(),
derive_param_exposure(),
derive_param_framingham(),
derive_param_map(),
derive_param_qtc(),
derive_param_rr(),
derive_param_wbc_abs(),
derive_summary_records()
