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  Indian J Med Microbiol
 

Figure 2: 1st point (blue dots) - upper edge of the mask in line with medial pupillary line (dotted red line). 2nd point (red dots) - on the outer edge of nasolabial fold at the level of the lower border of nasal alae. 3rd point (green dots) - 1 cm lateral to angle of mouth on both sides. 4th point (purple dot) —1 cm below mento-labial sulcus

Figure 2: 1<sup>st</sup> point (blue dots) - upper edge of the mask in line with medial pupillary line (dotted red line). 2<sup>nd</sup> point (red dots) - on the outer edge of nasolabial fold at the level of the lower border of nasal alae. 3<sup>rd</sup> point (green dots) - 1 cm lateral to angle of mouth on both sides. 4<sup>th</sup> point (purple dot) —1 cm below mento-labial sulcus