Health clinics inside drugstores treating more ailments

Amid the economic downturn and slow growth for retail and outpatient medical-care services, Walgreen Co. and CVS Caremark Corp. are rolling out specialized services at their in-store clinics, going beyond treatment of routine maladies. Launched over the last four years to care for simple ailments, retail clinic operators now are training nurses to do specialized injections for such chronic conditions as osteoporosis and asthma.