A lesson from a mosquito.
Woolbert
L F
LF
D003695:Delivery of Health Care / Q000458:organization & administration; D006291:Health Policy / Q000331:legislation & jurisprudence*; D006801:Humans; D008119:Lobbying; D009722:Nurse Practitioners / Q000458:organization & administration*; D024802:Nurse's Role; D014481:United States