Grouping and treatments of mice.

	Groups	Injection	US
1	Control	PBS, 100 μL	No
2	US	PBS, 100 μL	Yes
3	Free DOX	DOX is 4 mg kg−1, 100 μL	No
4	DH-HM@BSA	DH-HM@BSA (DOX is 4 mg kg−1), 100 μL	No
5	H-HM@BSA+US	H-HM@BSA (HMME is 4.5 mg kg−1), 100 μL	Yes
6	DH-HM@BSA+US	DH-HM@BSA (DOX is 4 mg kg−1 and HMME is 4.5 mg kg−1), 100 μL	Yes