medical illustration of human legs with genu varum (bow-leggedness)- 19th century - 佝僂病 幅插畫檔、美工圖案、卡通及圖標
medical illustration of human legs with genu valgum (knock-knee)- 19th century - 佝僂病 幅插畫檔、美工圖案、卡通及圖標雕刻圖像