add_maxinfo	add_maxinfo
add_stopping_prob	add_stopping_prob
check_gsnb	check_gsnb
design_gsnb	design_gsnb
design_nb	design_nb
get_calendartime_gsnb	get_calendartime_gsnb
get_covar	get_covar
get_info_gsnb	get_info_gsnb
get_recruittimes	get_recruittimes
gscounts	gscounts
hospitalizations	hospitalizations
obrien	obrien
pocock	pocock
print.gsnb	print.gsnb
print.nb	print.nb
samplesize_from_followup	samplesize_from_followup
samplesize_from_periods	samplesize_from_periods
studyperiod_from_recruit	studyperiod_from_recruit
