Sentence:  A bright light was shone in her eye and then she heard a kind, <WSD>male</WSD> voice who she figured must be Dr. Smith. “Yes, let her rest now, but keep an eye on her blood pressure and her pulse. Check her about every 15 or 20 minutes. Call me if any problem occurs.” 
Meaning of the word marked with <WSD> tags:  Characteristic of this sex/gender. (masculine), (manly).