TY - BOOK AU - Lewith,G.T AU - Jonas,Wayne B. AU - Walach,Harald TI - Clinical research in complementary therapies : principle, problems and solutions SN - 9780443069567 AV - MED R733 C58 PY - 2011/// CY - Edinburgh PB - Elsevier KW - Alternative medicine KW - Complementary Therapies KW - Research Design ER -