TY - GEN AU - Marvel,M K AU - Staehling,S AU - Hendricks,B TI - A taxonomy of clinical research methods: comparisons of family practice and general medical journals SN - 0742-3225 PY - 1991///0522 KW - Data Collection KW - Family Practice KW - Periodicals as Topic KW - Research Design N1 - Publication Type: Comparative Study; Journal Article ER -