methods (including monitoring) used—

(A) to assure the quality and appropriateness of care, particularly with respect to well-baby care, well-child care, and immunizations provided under the plan;

(B) to assure access to covered services, including emergency services and services described in paragraphs (5) and (6) of section 1397cc(c) of this title ; and

(C) to ensure that the State agency involved is in compliance with subparagraphs (A), (B), and (C) of section 1320a–7n(b)(2) of this title .