#	Search history
#1	"critical care" and lateral
#2	"intensive care" and lateral
#3	"critically ill" and lateral
#4	"critical illness" and lateral
#5	ventilat* and lateral
#6	"critical care" and position
#7	"intensive care" and position
#8	"critically ill" and position
#9	"critical illness" and position
#10	ventilat* and position
#11	"critical care" and turn
#12	"intensive care" and turn
#13	"critically ill" and turn
#14	"critical illness" and turn
#15	ventilat* and turn
#16	"critical care" and rotation
#17	"intensive care" and rotation
#18	"critically ill" and rotation
#19	"critical illness" and rotation
#20	ventilat* and rotation
#21	"critical care" and "side lying"
#22	"intensive care" and "side lying"
#23	"critically ill" and "side lying"
#24	"critical illness" and "side lying"
#25	ventilat* and "side lying"
#26	"critical care" and postur*
#27	"intensive care" and postur*
#28	"critically ill" and postur*
#29	"critical illness" and postur*
#30	ventilat* and postur*
#31	List of #1 to #30