WOONSOCKET, R.I., April 25, 2011 /PRNewswire/ — MinuteClinic, the largest provider of retail-based medical clinics in the United States, has expanded its suite of accessible and affordable health care services to include Vitamin B-12 injections and the Human Papillomavirus (HPV) vaccination (GARDASIL®). “There is an increasing medical need for patients to gain more convenient access […]