1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) a common cyst of the skin; filled with fatty matter (sebum) that is secreted by a sebaceous gland that has been blocked 2) the use of nuclear magnetic resonance of protons to produce proton density images 3) a light touch or stroke DOWN 1) a weapon that kills or injures civilian as well as military personnel (nuclear and chemical and biological weapons) 2) a period marked by distinctive character or reckoned from a fixed point or event 3) the writing point of a pen ** Scroll down for solution. ** Are you sure you want to peek? wen mri dab