Consecutive case series (not population-based) with indirect surrogates as an endpoint. See Levels of Evidence for Human Studies of Integrative, Alternative, and Complementary Therapies (PDQ®) for more information.
Consecutive case series (not population-based) with indirect surrogates as an endpoint. See Levels of Evidence for Human Studies of Integrative, Alternative, and Complementary Therapies (PDQ®) for more information.