Search the internet and find two Practice Management Systems. Explain at least two functions of each and elaborate how these help the Physician practice in its patient and revenue management (e.g., patient registration, scheduling and tracking patients' appointments, medical billing, communication with patients). Your initial post supported by at least two (2) scholarly references should be posted by Saturday mid-night, followed by a minimum of two (2) responses to classmates' posts comprising at least 150 words supporting, challenging, clarifying, or adding to the existing information by Tuesday mid-night. Make sure to follow APA 7